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Finding the Fourth Proportional to 12,181.71, 16,810.80 and 6,592.71

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Solution

The fourth proportional to 12,181.71, 16,810.80 and 6,592.71 is: 9,097.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181.71 : 16,810.80 = 6,592.71 : x
  2. Step 2: Convert to fraction form
    12,181.71/16,810.80 = 6,592.71/x
  3. Step 3: Cross multiply
    12,181.71x = 16,810.80 × 6,592.71
  4. Step 4: Simplify right side
    12,181.71x = 110,828,729.27
  5. Step 5: Solve for x
    x = 110,828,729.27/12,181.71
  6. Step 6: Final answer
    x = 9,097.96

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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.