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Finding the Fourth Proportional to 8,840.49, 12,125.13 and 7,844.03

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Solution

The fourth proportional to 8,840.49, 12,125.13 and 7,844.03 is: 10,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,840.49 : 12,125.13 = 7,844.03 : x
  2. Step 2: Convert to fraction form
    8,840.49/12,125.13 = 7,844.03/x
  3. Step 3: Cross multiply
    8,840.49x = 12,125.13 × 7,844.03
  4. Step 4: Simplify right side
    8,840.49x = 95,109,907.11
  5. Step 5: Solve for x
    x = 95,109,907.11/8,840.49
  6. Step 6: Final answer
    x = 10,758.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.