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Finding the Fourth Proportional to 25,881.92, 38,831.08 and 9,241.58

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Solution

The fourth proportional to 25,881.92, 38,831.08 and 9,241.58 is: 13,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,881.92 : 38,831.08 = 9,241.58 : x
  2. Step 2: Convert to fraction form
    25,881.92/38,831.08 = 9,241.58/x
  3. Step 3: Cross multiply
    25,881.92x = 38,831.08 × 9,241.58
  4. Step 4: Simplify right side
    25,881.92x = 358,860,532.31
  5. Step 5: Solve for x
    x = 358,860,532.31/25,881.92
  6. Step 6: Final answer
    x = 13,865.30

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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.