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Finding the Fourth Proportional to 64,047.90, 88,374.46 and 44,985.92

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Solution

The fourth proportional to 64,047.90, 88,374.46 and 44,985.92 is: 62,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,047.90 : 88,374.46 = 44,985.92 : x
  2. Step 2: Convert to fraction form
    64,047.90/88,374.46 = 44,985.92/x
  3. Step 3: Cross multiply
    64,047.90x = 88,374.46 × 44,985.92
  4. Step 4: Simplify right side
    64,047.90x = 3,975,606,387.60
  5. Step 5: Solve for x
    x = 3,975,606,387.60/64,047.90
  6. Step 6: Final answer
    x = 62,072.39

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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.