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Finding the Fourth Proportional to 45,497.88, 62,786.21 and 25,354.32

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Solution

The fourth proportional to 45,497.88, 62,786.21 and 25,354.32 is: 34,988.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,497.88 : 62,786.21 = 25,354.32 : x
  2. Step 2: Convert to fraction form
    45,497.88/62,786.21 = 25,354.32/x
  3. Step 3: Cross multiply
    45,497.88x = 62,786.21 × 25,354.32
  4. Step 4: Simplify right side
    45,497.88x = 1,591,901,533.16
  5. Step 5: Solve for x
    x = 1,591,901,533.16/45,497.88
  6. Step 6: Final answer
    x = 34,988.48

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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.