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Finding the Fourth Proportional to 52,737.72, 79,473.48 and 47,741.64

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Solution

The fourth proportional to 52,737.72, 79,473.48 and 47,741.64 is: 71,944.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,737.72 : 79,473.48 = 47,741.64 : x
  2. Step 2: Convert to fraction form
    52,737.72/79,473.48 = 47,741.64/x
  3. Step 3: Cross multiply
    52,737.72x = 79,473.48 × 47,741.64
  4. Step 4: Simplify right side
    52,737.72x = 3,794,194,271.71
  5. Step 5: Solve for x
    x = 3,794,194,271.71/52,737.72
  6. Step 6: Final answer
    x = 71,944.60

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.