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Finding the Fourth Proportional to 44,374.20, 66,551.70 and 19,414.20

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Solution

The fourth proportional to 44,374.20, 66,551.70 and 19,414.20 is: 29,117.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,374.20 : 66,551.70 = 19,414.20 : x
  2. Step 2: Convert to fraction form
    44,374.20/66,551.70 = 19,414.20/x
  3. Step 3: Cross multiply
    44,374.20x = 66,551.70 × 19,414.20
  4. Step 4: Simplify right side
    44,374.20x = 1,292,048,014.14
  5. Step 5: Solve for x
    x = 1,292,048,014.14/44,374.20
  6. Step 6: Final answer
    x = 29,117.10

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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.