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Finding the Fourth Proportional to 32,710.60, 49,053.48 and 13,978.90

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Solution

The fourth proportional to 32,710.60, 49,053.48 and 13,978.90 is: 20,963.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,710.60 : 49,053.48 = 13,978.90 : x
  2. Step 2: Convert to fraction form
    32,710.60/49,053.48 = 13,978.90/x
  3. Step 3: Cross multiply
    32,710.60x = 49,053.48 × 13,978.90
  4. Step 4: Simplify right side
    32,710.60x = 685,713,691.57
  5. Step 5: Solve for x
    x = 685,713,691.57/32,710.60
  6. Step 6: Final answer
    x = 20,963.04

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1.5x scale

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.