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Finding the Fourth Proportional to 5,559.66, 8,347.79 and 3,492.74

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Solution

The fourth proportional to 5,559.66, 8,347.79 and 3,492.74 is: 5,244.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.66 : 8,347.79 = 3,492.74 : x
  2. Step 2: Convert to fraction form
    5,559.66/8,347.79 = 3,492.74/x
  3. Step 3: Cross multiply
    5,559.66x = 8,347.79 × 3,492.74
  4. Step 4: Simplify right side
    5,559.66x = 29,156,689.65
  5. Step 5: Solve for x
    x = 29,156,689.65/5,559.66
  6. Step 6: Final answer
    x = 5,244.33

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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.