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Finding the Fourth Proportional to 32,989.20, 49,386.60 and 29,101.20

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Solution

The fourth proportional to 32,989.20, 49,386.60 and 29,101.20 is: 43,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,989.20 : 49,386.60 = 29,101.20 : x
  2. Step 2: Convert to fraction form
    32,989.20/49,386.60 = 29,101.20/x
  3. Step 3: Cross multiply
    32,989.20x = 49,386.60 × 29,101.20
  4. Step 4: Simplify right side
    32,989.20x = 1,437,209,323.92
  5. Step 5: Solve for x
    x = 1,437,209,323.92/32,989.20
  6. Step 6: Final answer
    x = 43,566.06

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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.