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Finding the Fourth Proportional to 23,959.98, 35,947.08 and 12,281.40

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Solution

The fourth proportional to 23,959.98, 35,947.08 and 12,281.40 is: 18,425.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,959.98 : 35,947.08 = 12,281.40 : x
  2. Step 2: Convert to fraction form
    23,959.98/35,947.08 = 12,281.40/x
  3. Step 3: Cross multiply
    23,959.98x = 35,947.08 × 12,281.40
  4. Step 4: Simplify right side
    23,959.98x = 441,480,468.31
  5. Step 5: Solve for x
    x = 441,480,468.31/23,959.98
  6. Step 6: Final answer
    x = 18,425.74

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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.