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Finding the Fourth Proportional to 29,400, 40,574.56 and 16,154.56

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Solution

The fourth proportional to 29,400, 40,574.56 and 16,154.56 is: 22,294.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,400 : 40,574.56 = 16,154.56 : x
  2. Step 2: Convert to fraction form
    29,400/40,574.56 = 16,154.56/x
  3. Step 3: Cross multiply
    29,400x = 40,574.56 × 16,154.56
  4. Step 4: Simplify right side
    29,400x = 655,464,163.99
  5. Step 5: Solve for x
    x = 655,464,163.99/29,400
  6. Step 6: Final answer
    x = 22,294.70

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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.