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Finding the Fourth Proportional to 59,040, 81,475.60 and 35,167.68

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Solution

The fourth proportional to 59,040, 81,475.60 and 35,167.68 is: 48,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,040 : 81,475.60 = 35,167.68 : x
  2. Step 2: Convert to fraction form
    59,040/81,475.60 = 35,167.68/x
  3. Step 3: Cross multiply
    59,040x = 81,475.60 × 35,167.68
  4. Step 4: Simplify right side
    59,040x = 2,865,307,828.61
  5. Step 5: Solve for x
    x = 2,865,307,828.61/59,040
  6. Step 6: Final answer
    x = 48,531.64

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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.