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Finding the Fourth Proportional to 27,061.95, 40,599.07 and 12,275.09

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Solution

The fourth proportional to 27,061.95, 40,599.07 and 12,275.09 is: 18,415.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,061.95 : 40,599.07 = 12,275.09 : x
  2. Step 2: Convert to fraction form
    27,061.95/40,599.07 = 12,275.09/x
  3. Step 3: Cross multiply
    27,061.95x = 40,599.07 × 12,275.09
  4. Step 4: Simplify right side
    27,061.95x = 498,357,454.15
  5. Step 5: Solve for x
    x = 498,357,454.15/27,061.95
  6. Step 6: Final answer
    x = 18,415.43

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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.