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Finding the Fourth Proportional to 5,572.66, 8,347.65 and 3,618.94

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Solution

The fourth proportional to 5,572.66, 8,347.65 and 3,618.94 is: 5,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.66 : 8,347.65 = 3,618.94 : x
  2. Step 2: Convert to fraction form
    5,572.66/8,347.65 = 3,618.94/x
  3. Step 3: Cross multiply
    5,572.66x = 8,347.65 × 3,618.94
  4. Step 4: Simplify right side
    5,572.66x = 30,209,644.49
  5. Step 5: Solve for x
    x = 30,209,644.49/5,572.66
  6. Step 6: Final answer
    x = 5,421.05

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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.