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Finding the Fourth Proportional to 44,387.40, 61,279.80 and 29,274.42

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Solution

The fourth proportional to 44,387.40, 61,279.80 and 29,274.42 is: 40,415.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,387.40 : 61,279.80 = 29,274.42 : x
  2. Step 2: Convert to fraction form
    44,387.40/61,279.80 = 29,274.42/x
  3. Step 3: Cross multiply
    44,387.40x = 61,279.80 × 29,274.42
  4. Step 4: Simplify right side
    44,387.40x = 1,793,930,602.72
  5. Step 5: Solve for x
    x = 1,793,930,602.72/44,387.40
  6. Step 6: Final answer
    x = 40,415.31

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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.