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Finding the Fourth Proportional to 67,913.68, 93,720.44 and 37,703.38

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Solution

The fourth proportional to 67,913.68, 93,720.44 and 37,703.38 is: 52,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,913.68 : 93,720.44 = 37,703.38 : x
  2. Step 2: Convert to fraction form
    67,913.68/93,720.44 = 37,703.38/x
  3. Step 3: Cross multiply
    67,913.68x = 93,720.44 × 37,703.38
  4. Step 4: Simplify right side
    67,913.68x = 3,533,577,363.09
  5. Step 5: Solve for x
    x = 3,533,577,363.09/67,913.68
  6. Step 6: Final answer
    x = 52,030.42

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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.