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Finding the Fourth Proportional to 27,874.62, 38,484.99 and 17,275.50

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Solution

The fourth proportional to 27,874.62, 38,484.99 and 17,275.50 is: 23,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.62 : 38,484.99 = 17,275.50 : x
  2. Step 2: Convert to fraction form
    27,874.62/38,484.99 = 17,275.50/x
  3. Step 3: Cross multiply
    27,874.62x = 38,484.99 × 17,275.50
  4. Step 4: Simplify right side
    27,874.62x = 664,847,444.75
  5. Step 5: Solve for x
    x = 664,847,444.75/27,874.62
  6. Step 6: Final answer
    x = 23,851.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.