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Finding the Fourth Proportional to 27,033, 40,555.98 and 8,565

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Solution

The fourth proportional to 27,033, 40,555.98 and 8,565 is: 12,849.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,033 : 40,555.98 = 8,565 : x
  2. Step 2: Convert to fraction form
    27,033/40,555.98 = 8,565/x
  3. Step 3: Cross multiply
    27,033x = 40,555.98 × 8,565
  4. Step 4: Simplify right side
    27,033x = 347,361,968.70
  5. Step 5: Solve for x
    x = 347,361,968.70/27,033
  6. Step 6: Final answer
    x = 12,849.55

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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.