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Finding the Fourth Proportional to 55,085.60, 82,570.64 and 26,966.88

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Solution

The fourth proportional to 55,085.60, 82,570.64 and 26,966.88 is: 40,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,085.60 : 82,570.64 = 26,966.88 : x
  2. Step 2: Convert to fraction form
    55,085.60/82,570.64 = 26,966.88/x
  3. Step 3: Cross multiply
    55,085.60x = 82,570.64 × 26,966.88
  4. Step 4: Simplify right side
    55,085.60x = 2,226,672,540.40
  5. Step 5: Solve for x
    x = 2,226,672,540.40/55,085.60
  6. Step 6: Final answer
    x = 40,422.04

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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.