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Finding the Fourth Proportional to 15,951.74, 23,928.58 and 4,859.24

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Solution

The fourth proportional to 15,951.74, 23,928.58 and 4,859.24 is: 7,289.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,951.74 : 23,928.58 = 4,859.24 : x
  2. Step 2: Convert to fraction form
    15,951.74/23,928.58 = 4,859.24/x
  3. Step 3: Cross multiply
    15,951.74x = 23,928.58 × 4,859.24
  4. Step 4: Simplify right side
    15,951.74x = 116,274,713.08
  5. Step 5: Solve for x
    x = 116,274,713.08/15,951.74
  6. Step 6: Final answer
    x = 7,289.16

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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.