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Finding the Fourth Proportional to 8,572.32, 12,826.09 and 5,064.23

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Solution

The fourth proportional to 8,572.32, 12,826.09 and 5,064.23 is: 7,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,572.32 : 12,826.09 = 5,064.23 : x
  2. Step 2: Convert to fraction form
    8,572.32/12,826.09 = 5,064.23/x
  3. Step 3: Cross multiply
    8,572.32x = 12,826.09 × 5,064.23
  4. Step 4: Simplify right side
    8,572.32x = 64,954,308.16
  5. Step 5: Solve for x
    x = 64,954,308.16/8,572.32
  6. Step 6: Final answer
    x = 7,577.21

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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.