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Finding the Fourth Proportional to 44,486.78, 66,710.72 and 13,314.74

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Solution

The fourth proportional to 44,486.78, 66,710.72 and 13,314.74 is: 19,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,486.78 : 66,710.72 = 13,314.74 : x
  2. Step 2: Convert to fraction form
    44,486.78/66,710.72 = 13,314.74/x
  3. Step 3: Cross multiply
    44,486.78x = 66,710.72 × 13,314.74
  4. Step 4: Simplify right side
    44,486.78x = 888,235,591.75
  5. Step 5: Solve for x
    x = 888,235,591.75/44,486.78
  6. Step 6: Final answer
    x = 19,966.28

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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.