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Finding the Fourth Proportional to 6,289.68, 9,434.52 and 2,826.16

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Solution

The fourth proportional to 6,289.68, 9,434.52 and 2,826.16 is: 4,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289.68 : 9,434.52 = 2,826.16 : x
  2. Step 2: Convert to fraction form
    6,289.68/9,434.52 = 2,826.16/x
  3. Step 3: Cross multiply
    6,289.68x = 9,434.52 × 2,826.16
  4. Step 4: Simplify right side
    6,289.68x = 26,663,463.04
  5. Step 5: Solve for x
    x = 26,663,463.04/6,289.68
  6. Step 6: Final answer
    x = 4,239.24

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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.