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Finding the Fourth Proportional to 57,808.54, 86,712.81 and 29,724.22

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Solution

The fourth proportional to 57,808.54, 86,712.81 and 29,724.22 is: 44,586.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,808.54 : 86,712.81 = 29,724.22 : x
  2. Step 2: Convert to fraction form
    57,808.54/86,712.81 = 29,724.22/x
  3. Step 3: Cross multiply
    57,808.54x = 86,712.81 × 29,724.22
  4. Step 4: Simplify right side
    57,808.54x = 2,577,470,641.26
  5. Step 5: Solve for x
    x = 2,577,470,641.26/57,808.54
  6. Step 6: Final answer
    x = 44,586.33

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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.