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Finding the Fourth Proportional to 29,195.50, 40,290.76 and 15,947.50

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Solution

The fourth proportional to 29,195.50, 40,290.76 and 15,947.50 is: 22,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,195.50 : 40,290.76 = 15,947.50 : x
  2. Step 2: Convert to fraction form
    29,195.50/40,290.76 = 15,947.50/x
  3. Step 3: Cross multiply
    29,195.50x = 40,290.76 × 15,947.50
  4. Step 4: Simplify right side
    29,195.50x = 642,536,895.10
  5. Step 5: Solve for x
    x = 642,536,895.10/29,195.50
  6. Step 6: Final answer
    x = 22,008.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.