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Finding the Fourth Proportional to 74,744.56, 112,117.25 and 19,340.56

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Solution

The fourth proportional to 74,744.56, 112,117.25 and 19,340.56 is: 29,010.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,744.56 : 112,117.25 = 19,340.56 : x
  2. Step 2: Convert to fraction form
    74,744.56/112,117.25 = 19,340.56/x
  3. Step 3: Cross multiply
    74,744.56x = 112,117.25 × 19,340.56
  4. Step 4: Simplify right side
    74,744.56x = 2,168,410,400.66
  5. Step 5: Solve for x
    x = 2,168,410,400.66/74,744.56
  6. Step 6: Final answer
    x = 29,010.95

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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.