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Finding the Fourth Proportional to 23,752.80, 35,611.20 and 12,074.40

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Solution

The fourth proportional to 23,752.80, 35,611.20 and 12,074.40 is: 18,102.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,752.80 : 35,611.20 = 12,074.40 : x
  2. Step 2: Convert to fraction form
    23,752.80/35,611.20 = 12,074.40/x
  3. Step 3: Cross multiply
    23,752.80x = 35,611.20 × 12,074.40
  4. Step 4: Simplify right side
    23,752.80x = 429,983,873.28
  5. Step 5: Solve for x
    x = 429,983,873.28/23,752.80
  6. Step 6: Final answer
    x = 18,102.45

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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.