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Finding the Fourth Proportional to 10,073.72, 15,110.72 and 3,500.06

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Solution

The fourth proportional to 10,073.72, 15,110.72 and 3,500.06 is: 5,250.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,073.72 : 15,110.72 = 3,500.06 : x
  2. Step 2: Convert to fraction form
    10,073.72/15,110.72 = 3,500.06/x
  3. Step 3: Cross multiply
    10,073.72x = 15,110.72 × 3,500.06
  4. Step 4: Simplify right side
    10,073.72x = 52,888,333.59
  5. Step 5: Solve for x
    x = 52,888,333.59/10,073.72
  6. Step 6: Final answer
    x = 5,250.13

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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.