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Finding the Fourth Proportional to 23,879.60, 32,924.22 and 15,904.34

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Solution

The fourth proportional to 23,879.60, 32,924.22 and 15,904.34 is: 21,928.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,879.60 : 32,924.22 = 15,904.34 : x
  2. Step 2: Convert to fraction form
    23,879.60/32,924.22 = 15,904.34/x
  3. Step 3: Cross multiply
    23,879.60x = 32,924.22 × 15,904.34
  4. Step 4: Simplify right side
    23,879.60x = 523,637,989.11
  5. Step 5: Solve for x
    x = 523,637,989.11/23,879.60
  6. Step 6: Final answer
    x = 21,928.26

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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.