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Finding the Fourth Proportional to 29,707.65, 40,996.62 and 16,278.63

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Solution

The fourth proportional to 29,707.65, 40,996.62 and 16,278.63 is: 22,464.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,707.65 : 40,996.62 = 16,278.63 : x
  2. Step 2: Convert to fraction form
    29,707.65/40,996.62 = 16,278.63/x
  3. Step 3: Cross multiply
    29,707.65x = 40,996.62 × 16,278.63
  4. Step 4: Simplify right side
    29,707.65x = 667,368,808.23
  5. Step 5: Solve for x
    x = 667,368,808.23/29,707.65
  6. Step 6: Final answer
    x = 22,464.54

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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.