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Finding the Fourth Proportional to 43,693.39, 65,553.87 and 15,612.79

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Solution

The fourth proportional to 43,693.39, 65,553.87 and 15,612.79 is: 23,424.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,693.39 : 65,553.87 = 15,612.79 : x
  2. Step 2: Convert to fraction form
    43,693.39/65,553.87 = 15,612.79/x
  3. Step 3: Cross multiply
    43,693.39x = 65,553.87 × 15,612.79
  4. Step 4: Simplify right side
    43,693.39x = 1,023,478,806.00
  5. Step 5: Solve for x
    x = 1,023,478,806.00/43,693.39
  6. Step 6: Final answer
    x = 23,424.11

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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.