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Finding the Fourth Proportional to 50,699.08, 69,891.54 and 34,758.28

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Solution

The fourth proportional to 50,699.08, 69,891.54 and 34,758.28 is: 47,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,699.08 : 69,891.54 = 34,758.28 : x
  2. Step 2: Convert to fraction form
    50,699.08/69,891.54 = 34,758.28/x
  3. Step 3: Cross multiply
    50,699.08x = 69,891.54 × 34,758.28
  4. Step 4: Simplify right side
    50,699.08x = 2,429,309,716.95
  5. Step 5: Solve for x
    x = 2,429,309,716.95/50,699.08
  6. Step 6: Final answer
    x = 47,916.25

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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.