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Finding the Fourth Proportional to 67,903.32, 93,707.60 and 37,690.60

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Solution

The fourth proportional to 67,903.32, 93,707.60 and 37,690.60 is: 52,013.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,903.32 : 93,707.60 = 37,690.60 : x
  2. Step 2: Convert to fraction form
    67,903.32/93,707.60 = 37,690.60/x
  3. Step 3: Cross multiply
    67,903.32x = 93,707.60 × 37,690.60
  4. Step 4: Simplify right side
    67,903.32x = 3,531,895,668.56
  5. Step 5: Solve for x
    x = 3,531,895,668.56/67,903.32
  6. Step 6: Final answer
    x = 52,013.59

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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.