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Finding the Fourth Proportional to 42,403.89, 63,635 and 14,701.89

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Solution

The fourth proportional to 42,403.89, 63,635 and 14,701.89 is: 22,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,403.89 : 63,635 = 14,701.89 : x
  2. Step 2: Convert to fraction form
    42,403.89/63,635 = 14,701.89/x
  3. Step 3: Cross multiply
    42,403.89x = 63,635 × 14,701.89
  4. Step 4: Simplify right side
    42,403.89x = 935,554,770.15
  5. Step 5: Solve for x
    x = 935,554,770.15/42,403.89
  6. Step 6: Final answer
    x = 22,062.95

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.