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Finding the Fourth Proportional to 36,686.25, 55,029.51 and 8,984.25

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Solution

The fourth proportional to 36,686.25, 55,029.51 and 8,984.25 is: 13,476.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,686.25 : 55,029.51 = 8,984.25 : x
  2. Step 2: Convert to fraction form
    36,686.25/55,029.51 = 8,984.25/x
  3. Step 3: Cross multiply
    36,686.25x = 55,029.51 × 8,984.25
  4. Step 4: Simplify right side
    36,686.25x = 494,398,875.22
  5. Step 5: Solve for x
    x = 494,398,875.22/36,686.25
  6. Step 6: Final answer
    x = 13,476.41

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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.