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Finding the Fourth Proportional to 23,312.80, 34,963.92 and 6,672.64

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Solution

The fourth proportional to 23,312.80, 34,963.92 and 6,672.64 is: 10,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,312.80 : 34,963.92 = 6,672.64 : x
  2. Step 2: Convert to fraction form
    23,312.80/34,963.92 = 6,672.64/x
  3. Step 3: Cross multiply
    23,312.80x = 34,963.92 × 6,672.64
  4. Step 4: Simplify right side
    23,312.80x = 233,301,651.15
  5. Step 5: Solve for x
    x = 233,301,651.15/23,312.80
  6. Step 6: Final answer
    x = 10,007.45

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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.