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Finding the Fourth Proportional to 23,409.80, 32,304.52 and 12,799.60

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Solution

The fourth proportional to 23,409.80, 32,304.52 and 12,799.60 is: 17,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,409.80 : 32,304.52 = 12,799.60 : x
  2. Step 2: Convert to fraction form
    23,409.80/32,304.52 = 12,799.60/x
  3. Step 3: Cross multiply
    23,409.80x = 32,304.52 × 12,799.60
  4. Step 4: Simplify right side
    23,409.80x = 413,484,934.19
  5. Step 5: Solve for x
    x = 413,484,934.19/23,409.80
  6. Step 6: Final answer
    x = 17,662.90

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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.