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Finding the Fourth Proportional to 52,553, 72,524.67 and 28,681.20

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Solution

The fourth proportional to 52,553, 72,524.67 and 28,681.20 is: 39,580.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,553 : 72,524.67 = 28,681.20 : x
  2. Step 2: Convert to fraction form
    52,553/72,524.67 = 28,681.20/x
  3. Step 3: Cross multiply
    52,553x = 72,524.67 × 28,681.20
  4. Step 4: Simplify right side
    52,553x = 2,080,094,565.20
  5. Step 5: Solve for x
    x = 2,080,094,565.20/52,553
  6. Step 6: Final answer
    x = 39,580.89

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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.