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Finding the Fourth Proportional to 69,099.32, 103,604.64 and 33,060.92

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Solution

The fourth proportional to 69,099.32, 103,604.64 and 33,060.92 is: 49,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,099.32 : 103,604.64 = 33,060.92 : x
  2. Step 2: Convert to fraction form
    69,099.32/103,604.64 = 33,060.92/x
  3. Step 3: Cross multiply
    69,099.32x = 103,604.64 × 33,060.92
  4. Step 4: Simplify right side
    69,099.32x = 3,425,264,714.67
  5. Step 5: Solve for x
    x = 3,425,264,714.67/69,099.32
  6. Step 6: Final answer
    x = 49,570.17

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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.