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Finding the Fourth Proportional to 60,009.48, 89,874.09 and 47,445.12

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Solution

The fourth proportional to 60,009.48, 89,874.09 and 47,445.12 is: 71,056.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,009.48 : 89,874.09 = 47,445.12 : x
  2. Step 2: Convert to fraction form
    60,009.48/89,874.09 = 47,445.12/x
  3. Step 3: Cross multiply
    60,009.48x = 89,874.09 × 47,445.12
  4. Step 4: Simplify right side
    60,009.48x = 4,264,086,984.94
  5. Step 5: Solve for x
    x = 4,264,086,984.94/60,009.48
  6. Step 6: Final answer
    x = 71,056.89

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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.