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Finding the Fourth Proportional to 23,750.65, 32,775.65 and 12,995.43

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Solution

The fourth proportional to 23,750.65, 32,775.65 and 12,995.43 is: 17,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,750.65 : 32,775.65 = 12,995.43 : x
  2. Step 2: Convert to fraction form
    23,750.65/32,775.65 = 12,995.43/x
  3. Step 3: Cross multiply
    23,750.65x = 32,775.65 × 12,995.43
  4. Step 4: Simplify right side
    23,750.65x = 425,933,665.28
  5. Step 5: Solve for x
    x = 425,933,665.28/23,750.65
  6. Step 6: Final answer
    x = 17,933.56

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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.