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Finding the Fourth Proportional to 18,714.12, 27,927.95 and 16,717.32

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Solution

The fourth proportional to 18,714.12, 27,927.95 and 16,717.32 is: 24,948.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714.12 : 27,927.95 = 16,717.32 : x
  2. Step 2: Convert to fraction form
    18,714.12/27,927.95 = 16,717.32/x
  3. Step 3: Cross multiply
    18,714.12x = 27,927.95 × 16,717.32
  4. Step 4: Simplify right side
    18,714.12x = 466,880,503.21
  5. Step 5: Solve for x
    x = 466,880,503.21/18,714.12
  6. Step 6: Final answer
    x = 24,948.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.