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Finding the Fourth Proportional to 5,666.16, 8,499.20 and 3,356

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Solution

The fourth proportional to 5,666.16, 8,499.20 and 3,356 is: 5,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.16 : 8,499.20 = 3,356 : x
  2. Step 2: Convert to fraction form
    5,666.16/8,499.20 = 3,356/x
  3. Step 3: Cross multiply
    5,666.16x = 8,499.20 × 3,356
  4. Step 4: Simplify right side
    5,666.16x = 28,523,315.20
  5. Step 5: Solve for x
    x = 28,523,315.20/5,666.16
  6. Step 6: Final answer
    x = 5,033.98

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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.