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Finding the Fourth Proportional to 67,701.69, 93,431.54 and 40,843.62

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Solution

The fourth proportional to 67,701.69, 93,431.54 and 40,843.62 is: 56,366.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.69 : 93,431.54 = 40,843.62 : x
  2. Step 2: Convert to fraction form
    67,701.69/93,431.54 = 40,843.62/x
  3. Step 3: Cross multiply
    67,701.69x = 93,431.54 × 40,843.62
  4. Step 4: Simplify right side
    67,701.69x = 3,816,082,315.77
  5. Step 5: Solve for x
    x = 3,816,082,315.77/67,701.69
  6. Step 6: Final answer
    x = 56,366.13

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1.5x scale

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.