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Finding the Fourth Proportional to 29,663.30, 40,934.80 and 16,234.28

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Solution

The fourth proportional to 29,663.30, 40,934.80 and 16,234.28 is: 22,403.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,663.30 : 40,934.80 = 16,234.28 : x
  2. Step 2: Convert to fraction form
    29,663.30/40,934.80 = 16,234.28/x
  3. Step 3: Cross multiply
    29,663.30x = 40,934.80 × 16,234.28
  4. Step 4: Simplify right side
    29,663.30x = 664,547,004.94
  5. Step 5: Solve for x
    x = 664,547,004.94/29,663.30
  6. Step 6: Final answer
    x = 22,403.00

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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.