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Finding the Fourth Proportional to 5,711.65, 8,566.76 and 3,246.28

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Solution

The fourth proportional to 5,711.65, 8,566.76 and 3,246.28 is: 4,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.65 : 8,566.76 = 3,246.28 : x
  2. Step 2: Convert to fraction form
    5,711.65/8,566.76 = 3,246.28/x
  3. Step 3: Cross multiply
    5,711.65x = 8,566.76 × 3,246.28
  4. Step 4: Simplify right side
    5,711.65x = 27,810,088.35
  5. Step 5: Solve for x
    x = 27,810,088.35/5,711.65
  6. Step 6: Final answer
    x = 4,869.01

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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.