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Finding the Fourth Proportional to 67,696.42, 93,418.02 and 37,479.62

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Solution

The fourth proportional to 67,696.42, 93,418.02 and 37,479.62 is: 51,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696.42 : 93,418.02 = 37,479.62 : x
  2. Step 2: Convert to fraction form
    67,696.42/93,418.02 = 37,479.62/x
  3. Step 3: Cross multiply
    67,696.42x = 93,418.02 × 37,479.62
  4. Step 4: Simplify right side
    67,696.42x = 3,501,271,890.75
  5. Step 5: Solve for x
    x = 3,501,271,890.75/67,696.42
  6. Step 6: Final answer
    x = 51,720.19

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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.