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Finding the Fourth Proportional to 59,636.72, 89,459.19 and 15,263.87

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Solution

The fourth proportional to 59,636.72, 89,459.19 and 15,263.87 is: 22,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,636.72 : 89,459.19 = 15,263.87 : x
  2. Step 2: Convert to fraction form
    59,636.72/89,459.19 = 15,263.87/x
  3. Step 3: Cross multiply
    59,636.72x = 89,459.19 × 15,263.87
  4. Step 4: Simplify right side
    59,636.72x = 1,365,492,999.17
  5. Step 5: Solve for x
    x = 1,365,492,999.17/59,636.72
  6. Step 6: Final answer
    x = 22,896.85

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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.