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Finding the Fourth Proportional to 52,358.91, 72,253.65 and 28,484.97

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Solution

The fourth proportional to 52,358.91, 72,253.65 and 28,484.97 is: 39,308.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,358.91 : 72,253.65 = 28,484.97 : x
  2. Step 2: Convert to fraction form
    52,358.91/72,253.65 = 28,484.97/x
  3. Step 3: Cross multiply
    52,358.91x = 72,253.65 × 28,484.97
  4. Step 4: Simplify right side
    52,358.91x = 2,058,143,052.64
  5. Step 5: Solve for x
    x = 2,058,143,052.64/52,358.91
  6. Step 6: Final answer
    x = 39,308.36

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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.