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Finding the Fourth Proportional to 62,984.32, 94,607.70 and 53,142.88

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Solution

The fourth proportional to 62,984.32, 94,607.70 and 53,142.88 is: 79,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,984.32 : 94,607.70 = 53,142.88 : x
  2. Step 2: Convert to fraction form
    62,984.32/94,607.70 = 53,142.88/x
  3. Step 3: Cross multiply
    62,984.32x = 94,607.70 × 53,142.88
  4. Step 4: Simplify right side
    62,984.32x = 5,027,725,648.18
  5. Step 5: Solve for x
    x = 5,027,725,648.18/62,984.32
  6. Step 6: Final answer
    x = 79,825.04

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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.