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Finding the Fourth Proportional to 8,887.25, 13,326.99 and 4,726.25

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Solution

The fourth proportional to 8,887.25, 13,326.99 and 4,726.25 is: 7,087.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,887.25 : 13,326.99 = 4,726.25 : x
  2. Step 2: Convert to fraction form
    8,887.25/13,326.99 = 4,726.25/x
  3. Step 3: Cross multiply
    8,887.25x = 13,326.99 × 4,726.25
  4. Step 4: Simplify right side
    8,887.25x = 62,986,686.49
  5. Step 5: Solve for x
    x = 62,986,686.49/8,887.25
  6. Step 6: Final answer
    x = 7,087.31

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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.