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Finding the Fourth Proportional to 67,383.52, 100,873.49 and 64,988.26

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Solution

The fourth proportional to 67,383.52, 100,873.49 and 64,988.26 is: 97,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,383.52 : 100,873.49 = 64,988.26 : x
  2. Step 2: Convert to fraction form
    67,383.52/100,873.49 = 64,988.26/x
  3. Step 3: Cross multiply
    67,383.52x = 100,873.49 × 64,988.26
  4. Step 4: Simplify right side
    67,383.52x = 6,555,592,018.10
  5. Step 5: Solve for x
    x = 6,555,592,018.10/67,383.52
  6. Step 6: Final answer
    x = 97,287.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.