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Finding the Fourth Proportional to 70,614.96, 97,448.58 and 38,785.92

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Solution

The fourth proportional to 70,614.96, 97,448.58 and 38,785.92 is: 53,524.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,614.96 : 97,448.58 = 38,785.92 : x
  2. Step 2: Convert to fraction form
    70,614.96/97,448.58 = 38,785.92/x
  3. Step 3: Cross multiply
    70,614.96x = 97,448.58 × 38,785.92
  4. Step 4: Simplify right side
    70,614.96x = 3,779,632,827.99
  5. Step 5: Solve for x
    x = 3,779,632,827.99/70,614.96
  6. Step 6: Final answer
    x = 53,524.53

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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.