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Finding the Fourth Proportional to 44,661.60, 66,945.78 and 15,069.24

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Solution

The fourth proportional to 44,661.60, 66,945.78 and 15,069.24 is: 22,588.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,661.60 : 66,945.78 = 15,069.24 : x
  2. Step 2: Convert to fraction form
    44,661.60/66,945.78 = 15,069.24/x
  3. Step 3: Cross multiply
    44,661.60x = 66,945.78 × 15,069.24
  4. Step 4: Simplify right side
    44,661.60x = 1,008,822,025.81
  5. Step 5: Solve for x
    x = 1,008,822,025.81/44,661.60
  6. Step 6: Final answer
    x = 22,588.13

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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.