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Finding the Fourth Proportional to 75,298.70, 112,941.92 and 25,377.72

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Solution

The fourth proportional to 75,298.70, 112,941.92 and 25,377.72 is: 38,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,298.70 : 112,941.92 = 25,377.72 : x
  2. Step 2: Convert to fraction form
    75,298.70/112,941.92 = 25,377.72/x
  3. Step 3: Cross multiply
    75,298.70x = 112,941.92 × 25,377.72
  4. Step 4: Simplify right side
    75,298.70x = 2,866,208,422.02
  5. Step 5: Solve for x
    x = 2,866,208,422.02/75,298.70
  6. Step 6: Final answer
    x = 38,064.51

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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.