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Finding the Fourth Proportional to 67,467.52, 93,094.68 and 39,168.28

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Solution

The fourth proportional to 67,467.52, 93,094.68 and 39,168.28 is: 54,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,467.52 : 93,094.68 = 39,168.28 : x
  2. Step 2: Convert to fraction form
    67,467.52/93,094.68 = 39,168.28/x
  3. Step 3: Cross multiply
    67,467.52x = 93,094.68 × 39,168.28
  4. Step 4: Simplify right side
    67,467.52x = 3,646,358,492.75
  5. Step 5: Solve for x
    x = 3,646,358,492.75/67,467.52
  6. Step 6: Final answer
    x = 54,046.13

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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.