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Finding the Fourth Proportional to 57,885.22, 86,831.19 and 22,346.71

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Solution

The fourth proportional to 57,885.22, 86,831.19 and 22,346.71 is: 33,521.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,885.22 : 86,831.19 = 22,346.71 : x
  2. Step 2: Convert to fraction form
    57,885.22/86,831.19 = 22,346.71/x
  3. Step 3: Cross multiply
    57,885.22x = 86,831.19 × 22,346.71
  4. Step 4: Simplify right side
    57,885.22x = 1,940,391,421.88
  5. Step 5: Solve for x
    x = 1,940,391,421.88/57,885.22
  6. Step 6: Final answer
    x = 33,521.36

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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.