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Finding the Fourth Proportional to 20,463.48, 30,669.96 and 10,597.08

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Solution

The fourth proportional to 20,463.48, 30,669.96 and 10,597.08 is: 15,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,463.48 : 30,669.96 = 10,597.08 : x
  2. Step 2: Convert to fraction form
    20,463.48/30,669.96 = 10,597.08/x
  3. Step 3: Cross multiply
    20,463.48x = 30,669.96 × 10,597.08
  4. Step 4: Simplify right side
    20,463.48x = 325,012,019.72
  5. Step 5: Solve for x
    x = 325,012,019.72/20,463.48
  6. Step 6: Final answer
    x = 15,882.54

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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.