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Finding the Fourth Proportional to 70,593.91, 97,421.17 and 38,762.93

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Solution

The fourth proportional to 70,593.91, 97,421.17 and 38,762.93 is: 53,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,593.91 : 97,421.17 = 38,762.93 : x
  2. Step 2: Convert to fraction form
    70,593.91/97,421.17 = 38,762.93/x
  3. Step 3: Cross multiply
    70,593.91x = 97,421.17 × 38,762.93
  4. Step 4: Simplify right side
    70,593.91x = 3,776,330,139.87
  5. Step 5: Solve for x
    x = 3,776,330,139.87/70,593.91
  6. Step 6: Final answer
    x = 53,493.71

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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.