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Finding the Fourth Proportional to 55,764.94, 83,647.46 and 45,883.45

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Solution

The fourth proportional to 55,764.94, 83,647.46 and 45,883.45 is: 68,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.94 : 83,647.46 = 45,883.45 : x
  2. Step 2: Convert to fraction form
    55,764.94/83,647.46 = 45,883.45/x
  3. Step 3: Cross multiply
    55,764.94x = 83,647.46 × 45,883.45
  4. Step 4: Simplify right side
    55,764.94x = 3,838,033,668.24
  5. Step 5: Solve for x
    x = 3,838,033,668.24/55,764.94
  6. Step 6: Final answer
    x = 68,825.21

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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.