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Finding the Fourth Proportional to 52,338.82, 78,541.54 and 19,055.66

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Solution

The fourth proportional to 52,338.82, 78,541.54 and 19,055.66 is: 28,595.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,338.82 : 78,541.54 = 19,055.66 : x
  2. Step 2: Convert to fraction form
    52,338.82/78,541.54 = 19,055.66/x
  3. Step 3: Cross multiply
    52,338.82x = 78,541.54 × 19,055.66
  4. Step 4: Simplify right side
    52,338.82x = 1,496,660,882.12
  5. Step 5: Solve for x
    x = 1,496,660,882.12/52,338.82
  6. Step 6: Final answer
    x = 28,595.62

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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.