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Finding the Fourth Proportional to 27,262.80, 40,872.60 and 14,950.80

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Solution

The fourth proportional to 27,262.80, 40,872.60 and 14,950.80 is: 22,414.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,262.80 : 40,872.60 = 14,950.80 : x
  2. Step 2: Convert to fraction form
    27,262.80/40,872.60 = 14,950.80/x
  3. Step 3: Cross multiply
    27,262.80x = 40,872.60 × 14,950.80
  4. Step 4: Simplify right side
    27,262.80x = 611,078,068.08
  5. Step 5: Solve for x
    x = 611,078,068.08/27,262.80
  6. Step 6: Final answer
    x = 22,414.35

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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.