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Finding the Fourth Proportional to 43,230.60, 64,875.08 and 16,932.08

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Solution

The fourth proportional to 43,230.60, 64,875.08 and 16,932.08 is: 25,409.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,230.60 : 64,875.08 = 16,932.08 : x
  2. Step 2: Convert to fraction form
    43,230.60/64,875.08 = 16,932.08/x
  3. Step 3: Cross multiply
    43,230.60x = 64,875.08 × 16,932.08
  4. Step 4: Simplify right side
    43,230.60x = 1,098,470,044.57
  5. Step 5: Solve for x
    x = 1,098,470,044.57/43,230.60
  6. Step 6: Final answer
    x = 25,409.55

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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.