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Finding the Fourth Proportional to 50,656.42, 69,914.54 and 29,447.99

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Solution

The fourth proportional to 50,656.42, 69,914.54 and 29,447.99 is: 40,643.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,656.42 : 69,914.54 = 29,447.99 : x
  2. Step 2: Convert to fraction form
    50,656.42/69,914.54 = 29,447.99/x
  3. Step 3: Cross multiply
    50,656.42x = 69,914.54 × 29,447.99
  4. Step 4: Simplify right side
    50,656.42x = 2,058,842,661.00
  5. Step 5: Solve for x
    x = 2,058,842,661.00/50,656.42
  6. Step 6: Final answer
    x = 40,643.27

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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.