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Finding the Fourth Proportional to 48,392.99, 72,873.72 and 42,226.56

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Solution

The fourth proportional to 48,392.99, 72,873.72 and 42,226.56 is: 63,587.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,392.99 : 72,873.72 = 42,226.56 : x
  2. Step 2: Convert to fraction form
    48,392.99/72,873.72 = 42,226.56/x
  3. Step 3: Cross multiply
    48,392.99x = 72,873.72 × 42,226.56
  4. Step 4: Simplify right side
    48,392.99x = 3,077,206,298.87
  5. Step 5: Solve for x
    x = 3,077,206,298.87/48,392.99
  6. Step 6: Final answer
    x = 63,587.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.