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Finding the Fourth Proportional to 84,007.32, 125,964.40 and 33,354.98

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Solution

The fourth proportional to 84,007.32, 125,964.40 and 33,354.98 is: 50,013.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,007.32 : 125,964.40 = 33,354.98 : x
  2. Step 2: Convert to fraction form
    84,007.32/125,964.40 = 33,354.98/x
  3. Step 3: Cross multiply
    84,007.32x = 125,964.40 × 33,354.98
  4. Step 4: Simplify right side
    84,007.32x = 4,201,540,042.71
  5. Step 5: Solve for x
    x = 4,201,540,042.71/84,007.32
  6. Step 6: Final answer
    x = 50,013.98

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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.