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Finding the Fourth Proportional to 57,888.33, 86,831.55 and 18,444.91

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Solution

The fourth proportional to 57,888.33, 86,831.55 and 18,444.91 is: 27,667.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,888.33 : 86,831.55 = 18,444.91 : x
  2. Step 2: Convert to fraction form
    57,888.33/86,831.55 = 18,444.91/x
  3. Step 3: Cross multiply
    57,888.33x = 86,831.55 × 18,444.91
  4. Step 4: Simplify right side
    57,888.33x = 1,601,600,124.91
  5. Step 5: Solve for x
    x = 1,601,600,124.91/57,888.33
  6. Step 6: Final answer
    x = 27,667.06

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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.