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Finding the Fourth Proportional to 27,349.59, 40,999.71 and 9,815.31

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Solution

The fourth proportional to 27,349.59, 40,999.71 and 9,815.31 is: 14,714.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,349.59 : 40,999.71 = 9,815.31 : x
  2. Step 2: Convert to fraction form
    27,349.59/40,999.71 = 9,815.31/x
  3. Step 3: Cross multiply
    27,349.59x = 40,999.71 × 9,815.31
  4. Step 4: Simplify right side
    27,349.59x = 402,424,863.56
  5. Step 5: Solve for x
    x = 402,424,863.56/27,349.59
  6. Step 6: Final answer
    x = 14,714.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.