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Finding the Fourth Proportional to 17,853.89, 26,787.20 and 10,848.20

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Solution

The fourth proportional to 17,853.89, 26,787.20 and 10,848.20 is: 16,276.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,853.89 : 26,787.20 = 10,848.20 : x
  2. Step 2: Convert to fraction form
    17,853.89/26,787.20 = 10,848.20/x
  3. Step 3: Cross multiply
    17,853.89x = 26,787.20 × 10,848.20
  4. Step 4: Simplify right side
    17,853.89x = 290,592,714.86
  5. Step 5: Solve for x
    x = 290,592,714.86/17,853.89
  6. Step 6: Final answer
    x = 16,276.16

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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.