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Finding the Fourth Proportional to 67,928.27, 93,742.11 and 37,715.54

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Solution

The fourth proportional to 67,928.27, 93,742.11 and 37,715.54 is: 52,048.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.27 : 93,742.11 = 37,715.54 : x
  2. Step 2: Convert to fraction form
    67,928.27/93,742.11 = 37,715.54/x
  3. Step 3: Cross multiply
    67,928.27x = 93,742.11 × 37,715.54
  4. Step 4: Simplify right side
    67,928.27x = 3,535,533,830.68
  5. Step 5: Solve for x
    x = 3,535,533,830.68/67,928.27
  6. Step 6: Final answer
    x = 52,048.05

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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.