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Finding the Fourth Proportional to 75,283.80, 112,925.70 and 25,347.30

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Solution

The fourth proportional to 75,283.80, 112,925.70 and 25,347.30 is: 38,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.80 : 112,925.70 = 25,347.30 : x
  2. Step 2: Convert to fraction form
    75,283.80/112,925.70 = 25,347.30/x
  3. Step 3: Cross multiply
    75,283.80x = 112,925.70 × 25,347.30
  4. Step 4: Simplify right side
    75,283.80x = 2,862,361,595.61
  5. Step 5: Solve for x
    x = 2,862,361,595.61/75,283.80
  6. Step 6: Final answer
    x = 38,020.95

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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.