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Finding the Fourth Proportional to 18,329.81, 27,498.15 and 8,335.29

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Solution

The fourth proportional to 18,329.81, 27,498.15 and 8,335.29 is: 12,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.81 : 27,498.15 = 8,335.29 : x
  2. Step 2: Convert to fraction form
    18,329.81/27,498.15 = 8,335.29/x
  3. Step 3: Cross multiply
    18,329.81x = 27,498.15 × 8,335.29
  4. Step 4: Simplify right side
    18,329.81x = 229,205,054.71
  5. Step 5: Solve for x
    x = 229,205,054.71/18,329.81
  6. Step 6: Final answer
    x = 12,504.50

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.