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Finding the Fourth Proportional to 6,324.64, 9,488.48 and 4,479.32

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Solution

The fourth proportional to 6,324.64, 9,488.48 and 4,479.32 is: 6,720.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,324.64 : 9,488.48 = 4,479.32 : x
  2. Step 2: Convert to fraction form
    6,324.64/9,488.48 = 4,479.32/x
  3. Step 3: Cross multiply
    6,324.64x = 9,488.48 × 4,479.32
  4. Step 4: Simplify right side
    6,324.64x = 42,501,938.23
  5. Step 5: Solve for x
    x = 42,501,938.23/6,324.64
  6. Step 6: Final answer
    x = 6,720.06

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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.