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Finding the Fourth Proportional to 29,648.28, 40,925.04 and 18,326.46

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Solution

The fourth proportional to 29,648.28, 40,925.04 and 18,326.46 is: 25,296.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,648.28 : 40,925.04 = 18,326.46 : x
  2. Step 2: Convert to fraction form
    29,648.28/40,925.04 = 18,326.46/x
  3. Step 3: Cross multiply
    29,648.28x = 40,925.04 × 18,326.46
  4. Step 4: Simplify right side
    29,648.28x = 750,011,108.56
  5. Step 5: Solve for x
    x = 750,011,108.56/29,648.28
  6. Step 6: Final answer
    x = 25,296.95

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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.