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Finding the Fourth Proportional to 25,831.59, 38,751.03 and 8,295.54

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Solution

The fourth proportional to 25,831.59, 38,751.03 and 8,295.54 is: 12,444.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,831.59 : 38,751.03 = 8,295.54 : x
  2. Step 2: Convert to fraction form
    25,831.59/38,751.03 = 8,295.54/x
  3. Step 3: Cross multiply
    25,831.59x = 38,751.03 × 8,295.54
  4. Step 4: Simplify right side
    25,831.59x = 321,460,719.41
  5. Step 5: Solve for x
    x = 321,460,719.41/25,831.59
  6. Step 6: Final answer
    x = 12,444.48

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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.