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Finding the Fourth Proportional to 5,652.52, 7,801.71 and 3,135.50

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Solution

The fourth proportional to 5,652.52, 7,801.71 and 3,135.50 is: 4,327.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.52 : 7,801.71 = 3,135.50 : x
  2. Step 2: Convert to fraction form
    5,652.52/7,801.71 = 3,135.50/x
  3. Step 3: Cross multiply
    5,652.52x = 7,801.71 × 3,135.50
  4. Step 4: Simplify right side
    5,652.52x = 24,462,261.71
  5. Step 5: Solve for x
    x = 24,462,261.71/5,652.52
  6. Step 6: Final answer
    x = 4,327.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.