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Finding the Fourth Proportional to 50,115.68, 69,111.88 and 29,969.28

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Solution

The fourth proportional to 50,115.68, 69,111.88 and 29,969.28 is: 41,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,115.68 : 69,111.88 = 29,969.28 : x
  2. Step 2: Convert to fraction form
    50,115.68/69,111.88 = 29,969.28/x
  3. Step 3: Cross multiply
    50,115.68x = 69,111.88 × 29,969.28
  4. Step 4: Simplify right side
    50,115.68x = 2,071,233,283.05
  5. Step 5: Solve for x
    x = 2,071,233,283.05/50,115.68
  6. Step 6: Final answer
    x = 41,329.05

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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.