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Finding the Fourth Proportional to 23,023.52, 31,768.02 and 16,660.04

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Solution

The fourth proportional to 23,023.52, 31,768.02 and 16,660.04 is: 22,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.52 : 31,768.02 = 16,660.04 : x
  2. Step 2: Convert to fraction form
    23,023.52/31,768.02 = 16,660.04/x
  3. Step 3: Cross multiply
    23,023.52x = 31,768.02 × 16,660.04
  4. Step 4: Simplify right side
    23,023.52x = 529,256,483.92
  5. Step 5: Solve for x
    x = 529,256,483.92/23,023.52
  6. Step 6: Final answer
    x = 22,987.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.