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Finding the Fourth Proportional to 6,483.75, 9,675.03 and 5,785.62

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Solution

The fourth proportional to 6,483.75, 9,675.03 and 5,785.62 is: 8,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,483.75 : 9,675.03 = 5,785.62 : x
  2. Step 2: Convert to fraction form
    6,483.75/9,675.03 = 5,785.62/x
  3. Step 3: Cross multiply
    6,483.75x = 9,675.03 × 5,785.62
  4. Step 4: Simplify right side
    6,483.75x = 55,976,047.07
  5. Step 5: Solve for x
    x = 55,976,047.07/6,483.75
  6. Step 6: Final answer
    x = 8,633.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.