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Finding the Fourth Proportional to 35,315.82, 52,977.06 and 9,020.70

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Solution

The fourth proportional to 35,315.82, 52,977.06 and 9,020.70 is: 13,531.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.82 : 52,977.06 = 9,020.70 : x
  2. Step 2: Convert to fraction form
    35,315.82/52,977.06 = 9,020.70/x
  3. Step 3: Cross multiply
    35,315.82x = 52,977.06 × 9,020.70
  4. Step 4: Simplify right side
    35,315.82x = 477,890,165.14
  5. Step 5: Solve for x
    x = 477,890,165.14/35,315.82
  6. Step 6: Final answer
    x = 13,531.90

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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.