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Finding the Fourth Proportional to 66,838.50, 92,237.13 and 37,030.50

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Solution

The fourth proportional to 66,838.50, 92,237.13 and 37,030.50 is: 51,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,838.50 : 92,237.13 = 37,030.50 : x
  2. Step 2: Convert to fraction form
    66,838.50/92,237.13 = 37,030.50/x
  3. Step 3: Cross multiply
    66,838.50x = 92,237.13 × 37,030.50
  4. Step 4: Simplify right side
    66,838.50x = 3,415,587,042.47
  5. Step 5: Solve for x
    x = 3,415,587,042.47/66,838.50
  6. Step 6: Final answer
    x = 51,102.09

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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.