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Finding the Fourth Proportional to 44,323.60, 66,469.20 and 14,742.40

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Solution

The fourth proportional to 44,323.60, 66,469.20 and 14,742.40 is: 22,108.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,323.60 : 66,469.20 = 14,742.40 : x
  2. Step 2: Convert to fraction form
    44,323.60/66,469.20 = 14,742.40/x
  3. Step 3: Cross multiply
    44,323.60x = 66,469.20 × 14,742.40
  4. Step 4: Simplify right side
    44,323.60x = 979,915,534.08
  5. Step 5: Solve for x
    x = 979,915,534.08/44,323.60
  6. Step 6: Final answer
    x = 22,108.21

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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.