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Finding the Fourth Proportional to 52,407.60, 72,237.60 and 45,584.16

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Solution

The fourth proportional to 52,407.60, 72,237.60 and 45,584.16 is: 62,832.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,407.60 : 72,237.60 = 45,584.16 : x
  2. Step 2: Convert to fraction form
    52,407.60/72,237.60 = 45,584.16/x
  3. Step 3: Cross multiply
    52,407.60x = 72,237.60 × 45,584.16
  4. Step 4: Simplify right side
    52,407.60x = 3,292,890,316.42
  5. Step 5: Solve for x
    x = 3,292,890,316.42/52,407.60
  6. Step 6: Final answer
    x = 62,832.31

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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.