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Finding the Fourth Proportional to 44,307.20, 66,460.80 and 25,644.80

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Solution

The fourth proportional to 44,307.20, 66,460.80 and 25,644.80 is: 38,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,307.20 : 66,460.80 = 25,644.80 : x
  2. Step 2: Convert to fraction form
    44,307.20/66,460.80 = 25,644.80/x
  3. Step 3: Cross multiply
    44,307.20x = 66,460.80 × 25,644.80
  4. Step 4: Simplify right side
    44,307.20x = 1,704,373,923.84
  5. Step 5: Solve for x
    x = 1,704,373,923.84/44,307.20
  6. Step 6: Final answer
    x = 38,467.20

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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.