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Finding the Fourth Proportional to 47,249.01, 70,890.73 and 21,960.20

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Solution

The fourth proportional to 47,249.01, 70,890.73 and 21,960.20 is: 32,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,249.01 : 70,890.73 = 21,960.20 : x
  2. Step 2: Convert to fraction form
    47,249.01/70,890.73 = 21,960.20/x
  3. Step 3: Cross multiply
    47,249.01x = 70,890.73 × 21,960.20
  4. Step 4: Simplify right side
    47,249.01x = 1,556,774,731.27
  5. Step 5: Solve for x
    x = 1,556,774,731.27/47,249.01
  6. Step 6: Final answer
    x = 32,948.30

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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.