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Finding the Fourth Proportional to 45,643.88, 62,988.12 and 25,504.23

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Solution

The fourth proportional to 45,643.88, 62,988.12 and 25,504.23 is: 35,195.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,643.88 : 62,988.12 = 25,504.23 : x
  2. Step 2: Convert to fraction form
    45,643.88/62,988.12 = 25,504.23/x
  3. Step 3: Cross multiply
    45,643.88x = 62,988.12 × 25,504.23
  4. Step 4: Simplify right side
    45,643.88x = 1,606,463,121.05
  5. Step 5: Solve for x
    x = 1,606,463,121.05/45,643.88
  6. Step 6: Final answer
    x = 35,195.59

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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.