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Finding the Fourth Proportional to 73,003.36, 109,363 and 47,967.34

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Solution

The fourth proportional to 73,003.36, 109,363 and 47,967.34 is: 71,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,003.36 : 109,363 = 47,967.34 : x
  2. Step 2: Convert to fraction form
    73,003.36/109,363 = 47,967.34/x
  3. Step 3: Cross multiply
    73,003.36x = 109,363 × 47,967.34
  4. Step 4: Simplify right side
    73,003.36x = 5,245,852,204.42
  5. Step 5: Solve for x
    x = 5,245,852,204.42/73,003.36
  6. Step 6: Final answer
    x = 71,857.68

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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.