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Finding the Fourth Proportional to 63,065.36, 87,045.36 and 37,910

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Solution

The fourth proportional to 63,065.36, 87,045.36 and 37,910 is: 52,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,065.36 : 87,045.36 = 37,910 : x
  2. Step 2: Convert to fraction form
    63,065.36/87,045.36 = 37,910/x
  3. Step 3: Cross multiply
    63,065.36x = 87,045.36 × 37,910
  4. Step 4: Simplify right side
    63,065.36x = 3,299,889,597.60
  5. Step 5: Solve for x
    x = 3,299,889,597.60/63,065.36
  6. Step 6: Final answer
    x = 52,324.91

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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.