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Finding the Fourth Proportional to 70,600.25, 97,428.61 and 38,334.91

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Solution

The fourth proportional to 70,600.25, 97,428.61 and 38,334.91 is: 52,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,600.25 : 97,428.61 = 38,334.91 : x
  2. Step 2: Convert to fraction form
    70,600.25/97,428.61 = 38,334.91/x
  3. Step 3: Cross multiply
    70,600.25x = 97,428.61 × 38,334.91
  4. Step 4: Simplify right side
    70,600.25x = 3,734,916,995.78
  5. Step 5: Solve for x
    x = 3,734,916,995.78/70,600.25
  6. Step 6: Final answer
    x = 52,902.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.