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Finding the Fourth Proportional to 70,337.92, 97,066.40 and 38,507.04

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Solution

The fourth proportional to 70,337.92, 97,066.40 and 38,507.04 is: 53,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,337.92 : 97,066.40 = 38,507.04 : x
  2. Step 2: Convert to fraction form
    70,337.92/97,066.40 = 38,507.04/x
  3. Step 3: Cross multiply
    70,337.92x = 97,066.40 × 38,507.04
  4. Step 4: Simplify right side
    70,337.92x = 3,737,739,747.46
  5. Step 5: Solve for x
    x = 3,737,739,747.46/70,337.92
  6. Step 6: Final answer
    x = 53,139.75

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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.