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Finding the Fourth Proportional to 44,165.59, 66,246.81 and 12,575.80

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Solution

The fourth proportional to 44,165.59, 66,246.81 and 12,575.80 is: 18,863.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,165.59 : 66,246.81 = 12,575.80 : x
  2. Step 2: Convert to fraction form
    44,165.59/66,246.81 = 12,575.80/x
  3. Step 3: Cross multiply
    44,165.59x = 66,246.81 × 12,575.80
  4. Step 4: Simplify right side
    44,165.59x = 833,106,668.85
  5. Step 5: Solve for x
    x = 833,106,668.85/44,165.59
  6. Step 6: Final answer
    x = 18,863.25

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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.