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Finding the Fourth Proportional to 7,080.61, 10,610.84 and 5,217.07

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Solution

The fourth proportional to 7,080.61, 10,610.84 and 5,217.07 is: 7,818.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.61 : 10,610.84 = 5,217.07 : x
  2. Step 2: Convert to fraction form
    7,080.61/10,610.84 = 5,217.07/x
  3. Step 3: Cross multiply
    7,080.61x = 10,610.84 × 5,217.07
  4. Step 4: Simplify right side
    7,080.61x = 55,357,495.04
  5. Step 5: Solve for x
    x = 55,357,495.04/7,080.61
  6. Step 6: Final answer
    x = 7,818.18

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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.