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Finding the Fourth Proportional to 55,061.44, 75,978.34 and 32,395.44

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Solution

The fourth proportional to 55,061.44, 75,978.34 and 32,395.44 is: 44,701.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,061.44 : 75,978.34 = 32,395.44 : x
  2. Step 2: Convert to fraction form
    55,061.44/75,978.34 = 32,395.44/x
  3. Step 3: Cross multiply
    55,061.44x = 75,978.34 × 32,395.44
  4. Step 4: Simplify right side
    55,061.44x = 2,461,351,958.70
  5. Step 5: Solve for x
    x = 2,461,351,958.70/55,061.44
  6. Step 6: Final answer
    x = 44,701.92

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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.