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Finding the Fourth Proportional to 44,169.40, 66,255.70 and 13,007.80

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Solution

The fourth proportional to 44,169.40, 66,255.70 and 13,007.80 is: 19,512.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,169.40 : 66,255.70 = 13,007.80 : x
  2. Step 2: Convert to fraction form
    44,169.40/66,255.70 = 13,007.80/x
  3. Step 3: Cross multiply
    44,169.40x = 66,255.70 × 13,007.80
  4. Step 4: Simplify right side
    44,169.40x = 861,840,894.46
  5. Step 5: Solve for x
    x = 861,840,894.46/44,169.40
  6. Step 6: Final answer
    x = 19,512.17

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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.