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Finding the Fourth Proportional to 27,271.80, 40,886.10 and 14,959.80

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Solution

The fourth proportional to 27,271.80, 40,886.10 and 14,959.80 is: 22,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,271.80 : 40,886.10 = 14,959.80 : x
  2. Step 2: Convert to fraction form
    27,271.80/40,886.10 = 14,959.80/x
  3. Step 3: Cross multiply
    27,271.80x = 40,886.10 × 14,959.80
  4. Step 4: Simplify right side
    27,271.80x = 611,647,878.78
  5. Step 5: Solve for x
    x = 611,647,878.78/27,271.80
  6. Step 6: Final answer
    x = 22,427.85

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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.