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Finding the Fourth Proportional to 5,763.92, 8,645.76 and 1,868.32

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Solution

The fourth proportional to 5,763.92, 8,645.76 and 1,868.32 is: 2,802.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,763.92 : 8,645.76 = 1,868.32 : x
  2. Step 2: Convert to fraction form
    5,763.92/8,645.76 = 1,868.32/x
  3. Step 3: Cross multiply
    5,763.92x = 8,645.76 × 1,868.32
  4. Step 4: Simplify right side
    5,763.92x = 16,153,046.32
  5. Step 5: Solve for x
    x = 16,153,046.32/5,763.92
  6. Step 6: Final answer
    x = 2,802.44

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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.