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Finding the Fourth Proportional to 74,653.32, 111,955.86 and 24,724.20

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Solution

The fourth proportional to 74,653.32, 111,955.86 and 24,724.20 is: 37,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,653.32 : 111,955.86 = 24,724.20 : x
  2. Step 2: Convert to fraction form
    74,653.32/111,955.86 = 24,724.20/x
  3. Step 3: Cross multiply
    74,653.32x = 111,955.86 × 24,724.20
  4. Step 4: Simplify right side
    74,653.32x = 2,768,019,073.81
  5. Step 5: Solve for x
    x = 2,768,019,073.81/74,653.32
  6. Step 6: Final answer
    x = 37,078.31

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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.