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Finding the Fourth Proportional to 10,325.68, 15,488.30 and 6,995.50

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Solution

The fourth proportional to 10,325.68, 15,488.30 and 6,995.50 is: 10,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,325.68 : 15,488.30 = 6,995.50 : x
  2. Step 2: Convert to fraction form
    10,325.68/15,488.30 = 6,995.50/x
  3. Step 3: Cross multiply
    10,325.68x = 15,488.30 × 6,995.50
  4. Step 4: Simplify right side
    10,325.68x = 108,348,402.65
  5. Step 5: Solve for x
    x = 108,348,402.65/10,325.68
  6. Step 6: Final answer
    x = 10,493.10

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Half scale
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Double scale
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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.