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Finding the Fourth Proportional to 54,358.61, 75,002.90 and 52,566.63

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Solution

The fourth proportional to 54,358.61, 75,002.90 and 52,566.63 is: 72,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,358.61 : 75,002.90 = 52,566.63 : x
  2. Step 2: Convert to fraction form
    54,358.61/75,002.90 = 52,566.63/x
  3. Step 3: Cross multiply
    54,358.61x = 75,002.90 × 52,566.63
  4. Step 4: Simplify right side
    54,358.61x = 3,942,649,430.39
  5. Step 5: Solve for x
    x = 3,942,649,430.39/54,358.61
  6. Step 6: Final answer
    x = 72,530.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.