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Finding the Fourth Proportional to 54,597.60, 75,344.44 and 30,724.67

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Solution

The fourth proportional to 54,597.60, 75,344.44 and 30,724.67 is: 42,399.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,597.60 : 75,344.44 = 30,724.67 : x
  2. Step 2: Convert to fraction form
    54,597.60/75,344.44 = 30,724.67/x
  3. Step 3: Cross multiply
    54,597.60x = 75,344.44 × 30,724.67
  4. Step 4: Simplify right side
    54,597.60x = 2,314,932,901.71
  5. Step 5: Solve for x
    x = 2,314,932,901.71/54,597.60
  6. Step 6: Final answer
    x = 42,399.91

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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.