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Finding the Fourth Proportional to 44,149.40, 66,223.48 and 10,869.74

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Solution

The fourth proportional to 44,149.40, 66,223.48 and 10,869.74 is: 16,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,149.40 : 66,223.48 = 10,869.74 : x
  2. Step 2: Convert to fraction form
    44,149.40/66,223.48 = 10,869.74/x
  3. Step 3: Cross multiply
    44,149.40x = 66,223.48 × 10,869.74
  4. Step 4: Simplify right side
    44,149.40x = 719,832,009.50
  5. Step 5: Solve for x
    x = 719,832,009.50/44,149.40
  6. Step 6: Final answer
    x = 16,304.46

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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.