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Finding the Fourth Proportional to 80,398.80, 110,943 and 44,588.70

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Solution

The fourth proportional to 80,398.80, 110,943 and 44,588.70 is: 61,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,398.80 : 110,943 = 44,588.70 : x
  2. Step 2: Convert to fraction form
    80,398.80/110,943 = 44,588.70/x
  3. Step 3: Cross multiply
    80,398.80x = 110,943 × 44,588.70
  4. Step 4: Simplify right side
    80,398.80x = 4,946,804,144.10
  5. Step 5: Solve for x
    x = 4,946,804,144.10/80,398.80
  6. Step 6: Final answer
    x = 61,528.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.