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Finding the Fourth Proportional to 56,811.17, 85,217.00 and 17,368.22

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Solution

The fourth proportional to 56,811.17, 85,217.00 and 17,368.22 is: 26,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811.17 : 85,217.00 = 17,368.22 : x
  2. Step 2: Convert to fraction form
    56,811.17/85,217.00 = 17,368.22/x
  3. Step 3: Cross multiply
    56,811.17x = 85,217.00 × 17,368.22
  4. Step 4: Simplify right side
    56,811.17x = 1,480,067,729.94
  5. Step 5: Solve for x
    x = 1,480,067,729.94/56,811.17
  6. Step 6: Final answer
    x = 26,052.41

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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.