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Finding the Fourth Proportional to 5,566.76, 8,343.64 and 3,100.40

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Solution

The fourth proportional to 5,566.76, 8,343.64 and 3,100.40 is: 4,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.76 : 8,343.64 = 3,100.40 : x
  2. Step 2: Convert to fraction form
    5,566.76/8,343.64 = 3,100.40/x
  3. Step 3: Cross multiply
    5,566.76x = 8,343.64 × 3,100.40
  4. Step 4: Simplify right side
    5,566.76x = 25,868,621.46
  5. Step 5: Solve for x
    x = 25,868,621.46/5,566.76
  6. Step 6: Final answer
    x = 4,646.98

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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.