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Finding the Fourth Proportional to 7,127.52, 10,692.16 and 2,448.48

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Solution

The fourth proportional to 7,127.52, 10,692.16 and 2,448.48 is: 3,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,127.52 : 10,692.16 = 2,448.48 : x
  2. Step 2: Convert to fraction form
    7,127.52/10,692.16 = 2,448.48/x
  3. Step 3: Cross multiply
    7,127.52x = 10,692.16 × 2,448.48
  4. Step 4: Simplify right side
    7,127.52x = 26,179,539.92
  5. Step 5: Solve for x
    x = 26,179,539.92/7,127.52
  6. Step 6: Final answer
    x = 3,673.02

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1.5x scale

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.