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Finding the Fourth Proportional to 73,703.77, 110,555.65 and 18,299.77

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Solution

The fourth proportional to 73,703.77, 110,555.65 and 18,299.77 is: 27,449.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.77 : 110,555.65 = 18,299.77 : x
  2. Step 2: Convert to fraction form
    73,703.77/110,555.65 = 18,299.77/x
  3. Step 3: Cross multiply
    73,703.77x = 110,555.65 × 18,299.77
  4. Step 4: Simplify right side
    73,703.77x = 2,023,142,967.20
  5. Step 5: Solve for x
    x = 2,023,142,967.20/73,703.77
  6. Step 6: Final answer
    x = 27,449.65

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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.