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Finding the Fourth Proportional to 52,627.44, 78,975.60 and 19,347.72

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Solution

The fourth proportional to 52,627.44, 78,975.60 and 19,347.72 is: 29,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,627.44 : 78,975.60 = 19,347.72 : x
  2. Step 2: Convert to fraction form
    52,627.44/78,975.60 = 19,347.72/x
  3. Step 3: Cross multiply
    52,627.44x = 78,975.60 × 19,347.72
  4. Step 4: Simplify right side
    52,627.44x = 1,527,997,795.63
  5. Step 5: Solve for x
    x = 1,527,997,795.63/52,627.44
  6. Step 6: Final answer
    x = 29,034.24

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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.