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Finding the Fourth Proportional to 11,070.56, 16,605.84 and 2,862.56

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Solution

The fourth proportional to 11,070.56, 16,605.84 and 2,862.56 is: 4,293.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,070.56 : 16,605.84 = 2,862.56 : x
  2. Step 2: Convert to fraction form
    11,070.56/16,605.84 = 2,862.56/x
  3. Step 3: Cross multiply
    11,070.56x = 16,605.84 × 2,862.56
  4. Step 4: Simplify right side
    11,070.56x = 47,535,265.60
  5. Step 5: Solve for x
    x = 47,535,265.60/11,070.56
  6. Step 6: Final answer
    x = 4,293.84

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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.