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Finding the Fourth Proportional to 6,322.43, 9,478.52 and 5,630.45

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Solution

The fourth proportional to 6,322.43, 9,478.52 and 5,630.45 is: 8,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.43 : 9,478.52 = 5,630.45 : x
  2. Step 2: Convert to fraction form
    6,322.43/9,478.52 = 5,630.45/x
  3. Step 3: Cross multiply
    6,322.43x = 9,478.52 × 5,630.45
  4. Step 4: Simplify right side
    6,322.43x = 53,368,332.93
  5. Step 5: Solve for x
    x = 53,368,332.93/6,322.43
  6. Step 6: Final answer
    x = 8,441.11

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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.