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Finding the Fourth Proportional to 59,390.88, 89,089.38 and 15,018.02

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Solution

The fourth proportional to 59,390.88, 89,089.38 and 15,018.02 is: 22,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,390.88 : 89,089.38 = 15,018.02 : x
  2. Step 2: Convert to fraction form
    59,390.88/89,089.38 = 15,018.02/x
  3. Step 3: Cross multiply
    59,390.88x = 89,089.38 × 15,018.02
  4. Step 4: Simplify right side
    59,390.88x = 1,337,946,090.63
  5. Step 5: Solve for x
    x = 1,337,946,090.63/59,390.88
  6. Step 6: Final answer
    x = 22,527.80

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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.