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Finding the Fourth Proportional to 8,254.59, 12,383.95 and 3,866.93

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Solution

The fourth proportional to 8,254.59, 12,383.95 and 3,866.93 is: 5,801.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.59 : 12,383.95 = 3,866.93 : x
  2. Step 2: Convert to fraction form
    8,254.59/12,383.95 = 3,866.93/x
  3. Step 3: Cross multiply
    8,254.59x = 12,383.95 × 3,866.93
  4. Step 4: Simplify right side
    8,254.59x = 47,887,867.77
  5. Step 5: Solve for x
    x = 47,887,867.77/8,254.59
  6. Step 6: Final answer
    x = 5,801.36

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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.