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Finding the Fourth Proportional to 71,069.12, 106,602.24 and 23,687.66

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Solution

The fourth proportional to 71,069.12, 106,602.24 and 23,687.66 is: 35,531.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,069.12 : 106,602.24 = 23,687.66 : x
  2. Step 2: Convert to fraction form
    71,069.12/106,602.24 = 23,687.66/x
  3. Step 3: Cross multiply
    71,069.12x = 106,602.24 × 23,687.66
  4. Step 4: Simplify right side
    71,069.12x = 2,525,157,616.36
  5. Step 5: Solve for x
    x = 2,525,157,616.36/71,069.12
  6. Step 6: Final answer
    x = 35,531.01

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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.