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Finding the Fourth Proportional to 6,763.32, 9,339.12 and 5,650.20

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Solution

The fourth proportional to 6,763.32, 9,339.12 and 5,650.20 is: 7,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.32 : 9,339.12 = 5,650.20 : x
  2. Step 2: Convert to fraction form
    6,763.32/9,339.12 = 5,650.20/x
  3. Step 3: Cross multiply
    6,763.32x = 9,339.12 × 5,650.20
  4. Step 4: Simplify right side
    6,763.32x = 52,767,895.82
  5. Step 5: Solve for x
    x = 52,767,895.82/6,763.32
  6. Step 6: Final answer
    x = 7,802.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.