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Finding the Fourth Proportional to 58,863.95, 88,335.18 and 21,424.02

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Solution

The fourth proportional to 58,863.95, 88,335.18 and 21,424.02 is: 32,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,863.95 : 88,335.18 = 21,424.02 : x
  2. Step 2: Convert to fraction form
    58,863.95/88,335.18 = 21,424.02/x
  3. Step 3: Cross multiply
    58,863.95x = 88,335.18 × 21,424.02
  4. Step 4: Simplify right side
    58,863.95x = 1,892,494,331.77
  5. Step 5: Solve for x
    x = 1,892,494,331.77/58,863.95
  6. Step 6: Final answer
    x = 32,150.31

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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.