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Finding the Fourth Proportional to 8,887.05, 12,264.08 and 5,349.51

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Solution

The fourth proportional to 8,887.05, 12,264.08 and 5,349.51 is: 7,382.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.05 : 12,264.08 = 5,349.51 : x
  2. Step 2: Convert to fraction form
    8,887.05/12,264.08 = 5,349.51/x
  3. Step 3: Cross multiply
    8,887.05x = 12,264.08 × 5,349.51
  4. Step 4: Simplify right side
    8,887.05x = 65,606,791.85
  5. Step 5: Solve for x
    x = 65,606,791.85/8,887.05
  6. Step 6: Final answer
    x = 7,382.29

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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.