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Finding the Fourth Proportional to 71,348.58, 107,089.29 and 36,314.46

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Solution

The fourth proportional to 71,348.58, 107,089.29 and 36,314.46 is: 54,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.58 : 107,089.29 = 36,314.46 : x
  2. Step 2: Convert to fraction form
    71,348.58/107,089.29 = 36,314.46/x
  3. Step 3: Cross multiply
    71,348.58x = 107,089.29 × 36,314.46
  4. Step 4: Simplify right side
    71,348.58x = 3,888,889,738.13
  5. Step 5: Solve for x
    x = 3,888,889,738.13/71,348.58
  6. Step 6: Final answer
    x = 54,505.50

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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.