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Finding the Fourth Proportional to 47,071.80, 70,559.10 and 33,878.52

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Solution

The fourth proportional to 47,071.80, 70,559.10 and 33,878.52 is: 50,782.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,071.80 : 70,559.10 = 33,878.52 : x
  2. Step 2: Convert to fraction form
    47,071.80/70,559.10 = 33,878.52/x
  3. Step 3: Cross multiply
    47,071.80x = 70,559.10 × 33,878.52
  4. Step 4: Simplify right side
    47,071.80x = 2,390,437,880.53
  5. Step 5: Solve for x
    x = 2,390,437,880.53/47,071.80
  6. Step 6: Final answer
    x = 50,782.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.