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Finding the Fourth Proportional to 27,079.60, 40,619.40 and 25,111.30

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Solution

The fourth proportional to 27,079.60, 40,619.40 and 25,111.30 is: 37,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.60 : 40,619.40 = 25,111.30 : x
  2. Step 2: Convert to fraction form
    27,079.60/40,619.40 = 25,111.30/x
  3. Step 3: Cross multiply
    27,079.60x = 40,619.40 × 25,111.30
  4. Step 4: Simplify right side
    27,079.60x = 1,020,005,939.22
  5. Step 5: Solve for x
    x = 1,020,005,939.22/27,079.60
  6. Step 6: Final answer
    x = 37,666.95

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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.