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Finding the Fourth Proportional to 27,077.60, 40,616.40 and 25,109.30

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Solution

The fourth proportional to 27,077.60, 40,616.40 and 25,109.30 is: 37,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.60 : 40,616.40 = 25,109.30 : x
  2. Step 2: Convert to fraction form
    27,077.60/40,616.40 = 25,109.30/x
  3. Step 3: Cross multiply
    27,077.60x = 40,616.40 × 25,109.30
  4. Step 4: Simplify right side
    27,077.60x = 1,019,849,372.52
  5. Step 5: Solve for x
    x = 1,019,849,372.52/27,077.60
  6. Step 6: Final answer
    x = 37,663.95

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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.