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Finding the Fourth Proportional to 55,951.52, 77,204.04 and 33,291.20

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Solution

The fourth proportional to 55,951.52, 77,204.04 and 33,291.20 is: 45,936.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.52 : 77,204.04 = 33,291.20 : x
  2. Step 2: Convert to fraction form
    55,951.52/77,204.04 = 33,291.20/x
  3. Step 3: Cross multiply
    55,951.52x = 77,204.04 × 33,291.20
  4. Step 4: Simplify right side
    55,951.52x = 2,570,215,136.45
  5. Step 5: Solve for x
    x = 2,570,215,136.45/55,951.52
  6. Step 6: Final answer
    x = 45,936.47

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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.