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Finding the Fourth Proportional to 44,292.80, 66,439.20 and 25,630.40

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Solution

The fourth proportional to 44,292.80, 66,439.20 and 25,630.40 is: 38,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,292.80 : 66,439.20 = 25,630.40 : x
  2. Step 2: Convert to fraction form
    44,292.80/66,439.20 = 25,630.40/x
  3. Step 3: Cross multiply
    44,292.80x = 66,439.20 × 25,630.40
  4. Step 4: Simplify right side
    44,292.80x = 1,702,863,271.68
  5. Step 5: Solve for x
    x = 1,702,863,271.68/44,292.80
  6. Step 6: Final answer
    x = 38,445.60

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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.