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Finding the Fourth Proportional to 67,412.57, 93,033.50 and 38,741.40

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Solution

The fourth proportional to 67,412.57, 93,033.50 and 38,741.40 is: 53,465.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,412.57 : 93,033.50 = 38,741.40 : x
  2. Step 2: Convert to fraction form
    67,412.57/93,033.50 = 38,741.40/x
  3. Step 3: Cross multiply
    67,412.57x = 93,033.50 × 38,741.40
  4. Step 4: Simplify right side
    67,412.57x = 3,604,247,843.19
  5. Step 5: Solve for x
    x = 3,604,247,843.19/67,412.57
  6. Step 6: Final answer
    x = 53,465.52

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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.