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Finding the Fourth Proportional to 10,791.52, 14,892.20 and 6,075.68

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Solution

The fourth proportional to 10,791.52, 14,892.20 and 6,075.68 is: 8,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,791.52 : 14,892.20 = 6,075.68 : x
  2. Step 2: Convert to fraction form
    10,791.52/14,892.20 = 6,075.68/x
  3. Step 3: Cross multiply
    10,791.52x = 14,892.20 × 6,075.68
  4. Step 4: Simplify right side
    10,791.52x = 90,480,241.70
  5. Step 5: Solve for x
    x = 90,480,241.70/10,791.52
  6. Step 6: Final answer
    x = 8,384.38

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1.5x scale

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.