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Finding the Fourth Proportional to 73,798.92, 110,677.34 and 20,477.79

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Solution

The fourth proportional to 73,798.92, 110,677.34 and 20,477.79 is: 30,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,798.92 : 110,677.34 = 20,477.79 : x
  2. Step 2: Convert to fraction form
    73,798.92/110,677.34 = 20,477.79/x
  3. Step 3: Cross multiply
    73,798.92x = 110,677.34 × 20,477.79
  4. Step 4: Simplify right side
    73,798.92x = 2,266,427,223.89
  5. Step 5: Solve for x
    x = 2,266,427,223.89/73,798.92
  6. Step 6: Final answer
    x = 30,710.85

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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.