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Finding the Fourth Proportional to 74,964.90, 112,431.15 and 32,844.90

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Solution

The fourth proportional to 74,964.90, 112,431.15 and 32,844.90 is: 49,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,964.90 : 112,431.15 = 32,844.90 : x
  2. Step 2: Convert to fraction form
    74,964.90/112,431.15 = 32,844.90/x
  3. Step 3: Cross multiply
    74,964.90x = 112,431.15 × 32,844.90
  4. Step 4: Simplify right side
    74,964.90x = 3,692,789,878.64
  5. Step 5: Solve for x
    x = 3,692,789,878.64/74,964.90
  6. Step 6: Final answer
    x = 49,260.25

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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.