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Finding the Fourth Proportional to 69,182.80, 103,763.28 and 22,424.76

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Solution

The fourth proportional to 69,182.80, 103,763.28 and 22,424.76 is: 33,633.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,182.80 : 103,763.28 = 22,424.76 : x
  2. Step 2: Convert to fraction form
    69,182.80/103,763.28 = 22,424.76/x
  3. Step 3: Cross multiply
    69,182.80x = 103,763.28 × 22,424.76
  4. Step 4: Simplify right side
    69,182.80x = 2,326,866,650.81
  5. Step 5: Solve for x
    x = 2,326,866,650.81/69,182.80
  6. Step 6: Final answer
    x = 33,633.60

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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.