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Finding the Fourth Proportional to 3,567.53, 5,351.30 and 970.47

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Solution

The fourth proportional to 3,567.53, 5,351.30 and 970.47 is: 1,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.53 : 5,351.30 = 970.47 : x
  2. Step 2: Convert to fraction form
    3,567.53/5,351.30 = 970.47/x
  3. Step 3: Cross multiply
    3,567.53x = 5,351.30 × 970.47
  4. Step 4: Simplify right side
    3,567.53x = 5,193,276.11
  5. Step 5: Solve for x
    x = 5,193,276.11/3,567.53
  6. Step 6: Final answer
    x = 1,455.71

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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.