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Finding the Fourth Proportional to 5,888.31, 8,831.43 and 1,728.56

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Solution

The fourth proportional to 5,888.31, 8,831.43 and 1,728.56 is: 2,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.31 : 8,831.43 = 1,728.56 : x
  2. Step 2: Convert to fraction form
    5,888.31/8,831.43 = 1,728.56/x
  3. Step 3: Cross multiply
    5,888.31x = 8,831.43 × 1,728.56
  4. Step 4: Simplify right side
    5,888.31x = 15,265,612.48
  5. Step 5: Solve for x
    x = 15,265,612.48/5,888.31
  6. Step 6: Final answer
    x = 2,592.53

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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.