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Finding the Fourth Proportional to 58,702.50, 88,035.27 and 19,250.45

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Solution

The fourth proportional to 58,702.50, 88,035.27 and 19,250.45 is: 28,869.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,702.50 : 88,035.27 = 19,250.45 : x
  2. Step 2: Convert to fraction form
    58,702.50/88,035.27 = 19,250.45/x
  3. Step 3: Cross multiply
    58,702.50x = 88,035.27 × 19,250.45
  4. Step 4: Simplify right side
    58,702.50x = 1,694,718,123.20
  5. Step 5: Solve for x
    x = 1,694,718,123.20/58,702.50
  6. Step 6: Final answer
    x = 28,869.61

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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.