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Finding the Fourth Proportional to 23,008.65, 34,505.47 and 7,422.63

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Solution

The fourth proportional to 23,008.65, 34,505.47 and 7,422.63 is: 11,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.65 : 34,505.47 = 7,422.63 : x
  2. Step 2: Convert to fraction form
    23,008.65/34,505.47 = 7,422.63/x
  3. Step 3: Cross multiply
    23,008.65x = 34,505.47 × 7,422.63
  4. Step 4: Simplify right side
    23,008.65x = 256,121,336.79
  5. Step 5: Solve for x
    x = 256,121,336.79/23,008.65
  6. Step 6: Final answer
    x = 11,131.52

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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.