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Finding the Fourth Proportional to 58,854.53, 88,269.03 and 21,415.52

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Solution

The fourth proportional to 58,854.53, 88,269.03 and 21,415.52 is: 32,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,854.53 : 88,269.03 = 21,415.52 : x
  2. Step 2: Convert to fraction form
    58,854.53/88,269.03 = 21,415.52/x
  3. Step 3: Cross multiply
    58,854.53x = 88,269.03 × 21,415.52
  4. Step 4: Simplify right side
    58,854.53x = 1,890,326,736.00
  5. Step 5: Solve for x
    x = 1,890,326,736.00/58,854.53
  6. Step 6: Final answer
    x = 32,118.63

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Why These Related Problems?

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