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Finding the Fourth Proportional to 60,913.40, 84,068.21 and 34,057.49

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Solution

The fourth proportional to 60,913.40, 84,068.21 and 34,057.49 is: 47,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,913.40 : 84,068.21 = 34,057.49 : x
  2. Step 2: Convert to fraction form
    60,913.40/84,068.21 = 34,057.49/x
  3. Step 3: Cross multiply
    60,913.40x = 84,068.21 × 34,057.49
  4. Step 4: Simplify right side
    60,913.40x = 2,863,151,630.76
  5. Step 5: Solve for x
    x = 2,863,151,630.76/60,913.40
  6. Step 6: Final answer
    x = 47,003.65

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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.