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Finding the Fourth Proportional to 54,599.76, 75,352.04 and 30,724.92

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Solution

The fourth proportional to 54,599.76, 75,352.04 and 30,724.92 is: 42,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,599.76 : 75,352.04 = 30,724.92 : x
  2. Step 2: Convert to fraction form
    54,599.76/75,352.04 = 30,724.92/x
  3. Step 3: Cross multiply
    54,599.76x = 75,352.04 × 30,724.92
  4. Step 4: Simplify right side
    54,599.76x = 2,315,185,400.84
  5. Step 5: Solve for x
    x = 2,315,185,400.84/54,599.76
  6. Step 6: Final answer
    x = 42,402.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.