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Finding the Fourth Proportional to 66,089.52, 91,203.30 and 37,795.14

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Solution

The fourth proportional to 66,089.52, 91,203.30 and 37,795.14 is: 52,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,089.52 : 91,203.30 = 37,795.14 : x
  2. Step 2: Convert to fraction form
    66,089.52/91,203.30 = 37,795.14/x
  3. Step 3: Cross multiply
    66,089.52x = 91,203.30 × 37,795.14
  4. Step 4: Simplify right side
    66,089.52x = 3,447,041,491.96
  5. Step 5: Solve for x
    x = 3,447,041,491.96/66,089.52
  6. Step 6: Final answer
    x = 52,157.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.