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Finding the Fourth Proportional to 5,564.71, 8,347.88 and 1,669.42

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Solution

The fourth proportional to 5,564.71, 8,347.88 and 1,669.42 is: 2,504.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.71 : 8,347.88 = 1,669.42 : x
  2. Step 2: Convert to fraction form
    5,564.71/8,347.88 = 1,669.42/x
  3. Step 3: Cross multiply
    5,564.71x = 8,347.88 × 1,669.42
  4. Step 4: Simplify right side
    5,564.71x = 13,936,088.61
  5. Step 5: Solve for x
    x = 13,936,088.61/5,564.71
  6. Step 6: Final answer
    x = 2,504.37

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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.