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Finding the Fourth Proportional to 44,103, 66,448.68 and 39,891.12

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Solution

The fourth proportional to 44,103, 66,448.68 and 39,891.12 is: 60,102.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,103 : 66,448.68 = 39,891.12 : x
  2. Step 2: Convert to fraction form
    44,103/66,448.68 = 39,891.12/x
  3. Step 3: Cross multiply
    44,103x = 66,448.68 × 39,891.12
  4. Step 4: Simplify right side
    44,103x = 2,650,712,267.72
  5. Step 5: Solve for x
    x = 2,650,712,267.72/44,103
  6. Step 6: Final answer
    x = 60,102.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.