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Finding the Fourth Proportional to 3,294.90, 4,938.03 and 1,564.02

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Solution

The fourth proportional to 3,294.90, 4,938.03 and 1,564.02 is: 2,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,294.90 : 4,938.03 = 1,564.02 : x
  2. Step 2: Convert to fraction form
    3,294.90/4,938.03 = 1,564.02/x
  3. Step 3: Cross multiply
    3,294.90x = 4,938.03 × 1,564.02
  4. Step 4: Simplify right side
    3,294.90x = 7,723,177.68
  5. Step 5: Solve for x
    x = 7,723,177.68/3,294.90
  6. Step 6: Final answer
    x = 2,343.98

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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.