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Finding the Fourth Proportional to 23,445.52, 35,160.99 and 7,859.50

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Solution

The fourth proportional to 23,445.52, 35,160.99 and 7,859.50 is: 11,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,445.52 : 35,160.99 = 7,859.50 : x
  2. Step 2: Convert to fraction form
    23,445.52/35,160.99 = 7,859.50/x
  3. Step 3: Cross multiply
    23,445.52x = 35,160.99 × 7,859.50
  4. Step 4: Simplify right side
    23,445.52x = 276,347,800.91
  5. Step 5: Solve for x
    x = 276,347,800.91/23,445.52
  6. Step 6: Final answer
    x = 11,786.81

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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.