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Finding the Fourth Proportional to 70,565.93, 97,380.39 and 38,732.93

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Solution

The fourth proportional to 70,565.93, 97,380.39 and 38,732.93 is: 53,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,565.93 : 97,380.39 = 38,732.93 : x
  2. Step 2: Convert to fraction form
    70,565.93/97,380.39 = 38,732.93/x
  3. Step 3: Cross multiply
    70,565.93x = 97,380.39 × 38,732.93
  4. Step 4: Simplify right side
    70,565.93x = 3,771,827,148.68
  5. Step 5: Solve for x
    x = 3,771,827,148.68/70,565.93
  6. Step 6: Final answer
    x = 53,451.11

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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.