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Finding the Fourth Proportional to 45,406.88, 62,661.56 and 25,534.88

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Solution

The fourth proportional to 45,406.88, 62,661.56 and 25,534.88 is: 35,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.88 : 62,661.56 = 25,534.88 : x
  2. Step 2: Convert to fraction form
    45,406.88/62,661.56 = 25,534.88/x
  3. Step 3: Cross multiply
    45,406.88x = 62,661.56 × 25,534.88
  4. Step 4: Simplify right side
    45,406.88x = 1,600,055,415.21
  5. Step 5: Solve for x
    x = 1,600,055,415.21/45,406.88
  6. Step 6: Final answer
    x = 35,238.17

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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.