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Finding the Fourth Proportional to 59,916.75, 89,875.14 and 18,363.75

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Solution

The fourth proportional to 59,916.75, 89,875.14 and 18,363.75 is: 27,545.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,916.75 : 89,875.14 = 18,363.75 : x
  2. Step 2: Convert to fraction form
    59,916.75/89,875.14 = 18,363.75/x
  3. Step 3: Cross multiply
    59,916.75x = 89,875.14 × 18,363.75
  4. Step 4: Simplify right side
    59,916.75x = 1,650,444,602.18
  5. Step 5: Solve for x
    x = 1,650,444,602.18/59,916.75
  6. Step 6: Final answer
    x = 27,545.63

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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.