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Finding the Fourth Proportional to 4,859.19, 7,288.79 and 4,623.12

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Solution

The fourth proportional to 4,859.19, 7,288.79 and 4,623.12 is: 6,934.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.19 : 7,288.79 = 4,623.12 : x
  2. Step 2: Convert to fraction form
    4,859.19/7,288.79 = 4,623.12/x
  3. Step 3: Cross multiply
    4,859.19x = 7,288.79 × 4,623.12
  4. Step 4: Simplify right side
    4,859.19x = 33,696,927.71
  5. Step 5: Solve for x
    x = 33,696,927.71/4,859.19
  6. Step 6: Final answer
    x = 6,934.68

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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.