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Finding the Fourth Proportional to 59,438.78, 89,158.29 and 15,065.49

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Solution

The fourth proportional to 59,438.78, 89,158.29 and 15,065.49 is: 22,598.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.78 : 89,158.29 = 15,065.49 : x
  2. Step 2: Convert to fraction form
    59,438.78/89,158.29 = 15,065.49/x
  3. Step 3: Cross multiply
    59,438.78x = 89,158.29 × 15,065.49
  4. Step 4: Simplify right side
    59,438.78x = 1,343,213,604.26
  5. Step 5: Solve for x
    x = 1,343,213,604.26/59,438.78
  6. Step 6: Final answer
    x = 22,598.27

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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.