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Finding the Fourth Proportional to 58,548.40, 87,851.40 and 44,503.60

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Solution

The fourth proportional to 58,548.40, 87,851.40 and 44,503.60 is: 66,777.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,548.40 : 87,851.40 = 44,503.60 : x
  2. Step 2: Convert to fraction form
    58,548.40/87,851.40 = 44,503.60/x
  3. Step 3: Cross multiply
    58,548.40x = 87,851.40 × 44,503.60
  4. Step 4: Simplify right side
    58,548.40x = 3,909,703,565.04
  5. Step 5: Solve for x
    x = 3,909,703,565.04/58,548.40
  6. Step 6: Final answer
    x = 66,777.29

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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.