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Finding the Fourth Proportional to 29,671.13, 40,946.16 and 16,423.13

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Solution

The fourth proportional to 29,671.13, 40,946.16 and 16,423.13 is: 22,663.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,671.13 : 40,946.16 = 16,423.13 : x
  2. Step 2: Convert to fraction form
    29,671.13/40,946.16 = 16,423.13/x
  3. Step 3: Cross multiply
    29,671.13x = 40,946.16 × 16,423.13
  4. Step 4: Simplify right side
    29,671.13x = 672,464,108.68
  5. Step 5: Solve for x
    x = 672,464,108.68/29,671.13
  6. Step 6: Final answer
    x = 22,663.92

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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.