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Finding the Fourth Proportional to 58,913.60, 88,224.60 and 37,821.20

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Solution

The fourth proportional to 58,913.60, 88,224.60 and 37,821.20 is: 56,638.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,913.60 : 88,224.60 = 37,821.20 : x
  2. Step 2: Convert to fraction form
    58,913.60/88,224.60 = 37,821.20/x
  3. Step 3: Cross multiply
    58,913.60x = 88,224.60 × 37,821.20
  4. Step 4: Simplify right side
    58,913.60x = 3,336,760,241.52
  5. Step 5: Solve for x
    x = 3,336,760,241.52/58,913.60
  6. Step 6: Final answer
    x = 56,638.20

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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.