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Finding the Fourth Proportional to 29,197.80, 40,294.08 and 16,456.05

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Solution

The fourth proportional to 29,197.80, 40,294.08 and 16,456.05 is: 22,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,197.80 : 40,294.08 = 16,456.05 : x
  2. Step 2: Convert to fraction form
    29,197.80/40,294.08 = 16,456.05/x
  3. Step 3: Cross multiply
    29,197.80x = 40,294.08 × 16,456.05
  4. Step 4: Simplify right side
    29,197.80x = 663,081,395.18
  5. Step 5: Solve for x
    x = 663,081,395.18/29,197.80
  6. Step 6: Final answer
    x = 22,709.98

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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.