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Finding the Fourth Proportional to 65,551.74, 98,253.26 and 57,638.98

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Solution

The fourth proportional to 65,551.74, 98,253.26 and 57,638.98 is: 86,393.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,551.74 : 98,253.26 = 57,638.98 : x
  2. Step 2: Convert to fraction form
    65,551.74/98,253.26 = 57,638.98/x
  3. Step 3: Cross multiply
    65,551.74x = 98,253.26 × 57,638.98
  4. Step 4: Simplify right side
    65,551.74x = 5,663,217,688.07
  5. Step 5: Solve for x
    x = 5,663,217,688.07/65,551.74
  6. Step 6: Final answer
    x = 86,393.09

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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.