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Finding the Fourth Proportional to 5,641.92, 8,507.52 and 5,497.92

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Solution

The fourth proportional to 5,641.92, 8,507.52 and 5,497.92 is: 8,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.92 : 8,507.52 = 5,497.92 : x
  2. Step 2: Convert to fraction form
    5,641.92/8,507.52 = 5,497.92/x
  3. Step 3: Cross multiply
    5,641.92x = 8,507.52 × 5,497.92
  4. Step 4: Simplify right side
    5,641.92x = 46,773,664.36
  5. Step 5: Solve for x
    x = 46,773,664.36/5,641.92
  6. Step 6: Final answer
    x = 8,290.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.