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Finding the Fourth Proportional to 73,974, 110,783.07 and 42,288.01

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Solution

The fourth proportional to 73,974, 110,783.07 and 42,288.01 is: 63,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,974 : 110,783.07 = 42,288.01 : x
  2. Step 2: Convert to fraction form
    73,974/110,783.07 = 42,288.01/x
  3. Step 3: Cross multiply
    73,974x = 110,783.07 × 42,288.01
  4. Step 4: Simplify right side
    73,974x = 4,684,795,571.99
  5. Step 5: Solve for x
    x = 4,684,795,571.99/73,974
  6. Step 6: Final answer
    x = 63,330.30

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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.