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Finding the Fourth Proportional to 52,615.16, 72,606.22 and 28,737.22

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Solution

The fourth proportional to 52,615.16, 72,606.22 and 28,737.22 is: 39,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,615.16 : 72,606.22 = 28,737.22 : x
  2. Step 2: Convert to fraction form
    52,615.16/72,606.22 = 28,737.22/x
  3. Step 3: Cross multiply
    52,615.16x = 72,606.22 × 28,737.22
  4. Step 4: Simplify right side
    52,615.16x = 2,086,500,773.82
  5. Step 5: Solve for x
    x = 2,086,500,773.82/52,615.16
  6. Step 6: Final answer
    x = 39,655.89

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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.