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Finding the Fourth Proportional to 68,047.61, 93,903.65 and 37,833.60

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Solution

The fourth proportional to 68,047.61, 93,903.65 and 37,833.60 is: 52,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.61 : 93,903.65 = 37,833.60 : x
  2. Step 2: Convert to fraction form
    68,047.61/93,903.65 = 37,833.60/x
  3. Step 3: Cross multiply
    68,047.61x = 93,903.65 × 37,833.60
  4. Step 4: Simplify right side
    68,047.61x = 3,552,712,473.95
  5. Step 5: Solve for x
    x = 3,552,712,473.95/68,047.61
  6. Step 6: Final answer
    x = 52,209.22

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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.