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Finding the Fourth Proportional to 29,322.42, 40,464 and 16,747.20

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Solution

The fourth proportional to 29,322.42, 40,464 and 16,747.20 is: 23,110.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,322.42 : 40,464 = 16,747.20 : x
  2. Step 2: Convert to fraction form
    29,322.42/40,464 = 16,747.20/x
  3. Step 3: Cross multiply
    29,322.42x = 40,464 × 16,747.20
  4. Step 4: Simplify right side
    29,322.42x = 677,658,700.80
  5. Step 5: Solve for x
    x = 677,658,700.80/29,322.42
  6. Step 6: Final answer
    x = 23,110.60

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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.