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Finding the Fourth Proportional to 8,854.82, 12,218.63 and 5,076.95

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Solution

The fourth proportional to 8,854.82, 12,218.63 and 5,076.95 is: 7,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.82 : 12,218.63 = 5,076.95 : x
  2. Step 2: Convert to fraction form
    8,854.82/12,218.63 = 5,076.95/x
  3. Step 3: Cross multiply
    8,854.82x = 12,218.63 × 5,076.95
  4. Step 4: Simplify right side
    8,854.82x = 62,033,287.10
  5. Step 5: Solve for x
    x = 62,033,287.10/8,854.82
  6. Step 6: Final answer
    x = 7,005.60

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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.