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Finding the Fourth Proportional to 50,655.68, 69,913.52 and 29,447.24

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Solution

The fourth proportional to 50,655.68, 69,913.52 and 29,447.24 is: 40,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,655.68 : 69,913.52 = 29,447.24 : x
  2. Step 2: Convert to fraction form
    50,655.68/69,913.52 = 29,447.24/x
  3. Step 3: Cross multiply
    50,655.68x = 69,913.52 × 29,447.24
  4. Step 4: Simplify right side
    50,655.68x = 2,058,759,705.88
  5. Step 5: Solve for x
    x = 2,058,759,705.88/50,655.68
  6. Step 6: Final answer
    x = 40,642.23

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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.