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Finding the Fourth Proportional to 35,012.16, 52,517.16 and 8,716.88

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Solution

The fourth proportional to 35,012.16, 52,517.16 and 8,716.88 is: 13,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,012.16 : 52,517.16 = 8,716.88 : x
  2. Step 2: Convert to fraction form
    35,012.16/52,517.16 = 8,716.88/x
  3. Step 3: Cross multiply
    35,012.16x = 52,517.16 × 8,716.88
  4. Step 4: Simplify right side
    35,012.16x = 457,785,781.66
  5. Step 5: Solve for x
    x = 457,785,781.66/35,012.16
  6. Step 6: Final answer
    x = 13,075.05

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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.