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Finding the Fourth Proportional to 71,377.95, 107,030.48 and 26,397.03

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Solution

The fourth proportional to 71,377.95, 107,030.48 and 26,397.03 is: 39,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,377.95 : 107,030.48 = 26,397.03 : x
  2. Step 2: Convert to fraction form
    71,377.95/107,030.48 = 26,397.03/x
  3. Step 3: Cross multiply
    71,377.95x = 107,030.48 × 26,397.03
  4. Step 4: Simplify right side
    71,377.95x = 2,825,286,659.49
  5. Step 5: Solve for x
    x = 2,825,286,659.49/71,377.95
  6. Step 6: Final answer
    x = 39,582.07

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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.