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Finding the Fourth Proportional to 5,910.75, 8,866.10 and 1,528.20

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Solution

The fourth proportional to 5,910.75, 8,866.10 and 1,528.20 is: 2,292.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,910.75 : 8,866.10 = 1,528.20 : x
  2. Step 2: Convert to fraction form
    5,910.75/8,866.10 = 1,528.20/x
  3. Step 3: Cross multiply
    5,910.75x = 8,866.10 × 1,528.20
  4. Step 4: Simplify right side
    5,910.75x = 13,549,166.38
  5. Step 5: Solve for x
    x = 13,549,166.38/5,910.75
  6. Step 6: Final answer
    x = 2,292.29

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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.