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Finding the Fourth Proportional to 23,851.76, 32,900.48 and 15,364.88

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Solution

The fourth proportional to 23,851.76, 32,900.48 and 15,364.88 is: 21,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,851.76 : 32,900.48 = 15,364.88 : x
  2. Step 2: Convert to fraction form
    23,851.76/32,900.48 = 15,364.88/x
  3. Step 3: Cross multiply
    23,851.76x = 32,900.48 × 15,364.88
  4. Step 4: Simplify right side
    23,851.76x = 505,511,927.14
  5. Step 5: Solve for x
    x = 505,511,927.14/23,851.76
  6. Step 6: Final answer
    x = 21,193.90

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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.