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Finding the Fourth Proportional to 65,762.35, 90,760.93 and 37,087.91

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Solution

The fourth proportional to 65,762.35, 90,760.93 and 37,087.91 is: 51,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.35 : 90,760.93 = 37,087.91 : x
  2. Step 2: Convert to fraction form
    65,762.35/90,760.93 = 37,087.91/x
  3. Step 3: Cross multiply
    65,762.35x = 90,760.93 × 37,087.91
  4. Step 4: Simplify right side
    65,762.35x = 3,366,132,656.83
  5. Step 5: Solve for x
    x = 3,366,132,656.83/65,762.35
  6. Step 6: Final answer
    x = 51,186.32

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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.