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Finding the Fourth Proportional to 18,335.64, 27,460.02 and 11,648.22

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Solution

The fourth proportional to 18,335.64, 27,460.02 and 11,648.22 is: 17,444.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,335.64 : 27,460.02 = 11,648.22 : x
  2. Step 2: Convert to fraction form
    18,335.64/27,460.02 = 11,648.22/x
  3. Step 3: Cross multiply
    18,335.64x = 27,460.02 × 11,648.22
  4. Step 4: Simplify right side
    18,335.64x = 319,860,354.16
  5. Step 5: Solve for x
    x = 319,860,354.16/18,335.64
  6. Step 6: Final answer
    x = 17,444.73

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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.