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Finding the Fourth Proportional to 15,073.76, 22,621.15 and 6,189.76

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Solution

The fourth proportional to 15,073.76, 22,621.15 and 6,189.76 is: 9,288.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.76 : 22,621.15 = 6,189.76 : x
  2. Step 2: Convert to fraction form
    15,073.76/22,621.15 = 6,189.76/x
  3. Step 3: Cross multiply
    15,073.76x = 22,621.15 × 6,189.76
  4. Step 4: Simplify right side
    15,073.76x = 140,019,417.40
  5. Step 5: Solve for x
    x = 140,019,417.40/15,073.76
  6. Step 6: Final answer
    x = 9,288.95

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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.