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Finding the Fourth Proportional to 8,844.95, 12,202.49 and 5,657.51

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Solution

The fourth proportional to 8,844.95, 12,202.49 and 5,657.51 is: 7,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,844.95 : 12,202.49 = 5,657.51 : x
  2. Step 2: Convert to fraction form
    8,844.95/12,202.49 = 5,657.51/x
  3. Step 3: Cross multiply
    8,844.95x = 12,202.49 × 5,657.51
  4. Step 4: Simplify right side
    8,844.95x = 69,035,709.20
  5. Step 5: Solve for x
    x = 69,035,709.20/8,844.95
  6. Step 6: Final answer
    x = 7,805.10

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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.