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Finding the Fourth Proportional to 52,458.72, 78,677.04 and 19,194.48

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Solution

The fourth proportional to 52,458.72, 78,677.04 and 19,194.48 is: 28,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,458.72 : 78,677.04 = 19,194.48 : x
  2. Step 2: Convert to fraction form
    52,458.72/78,677.04 = 19,194.48/x
  3. Step 3: Cross multiply
    52,458.72x = 78,677.04 × 19,194.48
  4. Step 4: Simplify right side
    52,458.72x = 1,510,164,870.74
  5. Step 5: Solve for x
    x = 1,510,164,870.74/52,458.72
  6. Step 6: Final answer
    x = 28,787.68

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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.