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Finding the Fourth Proportional to 48,003.69, 71,996.88 and 12,935.16

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Solution

The fourth proportional to 48,003.69, 71,996.88 and 12,935.16 is: 19,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,003.69 : 71,996.88 = 12,935.16 : x
  2. Step 2: Convert to fraction form
    48,003.69/71,996.88 = 12,935.16/x
  3. Step 3: Cross multiply
    48,003.69x = 71,996.88 × 12,935.16
  4. Step 4: Simplify right side
    48,003.69x = 931,291,162.30
  5. Step 5: Solve for x
    x = 931,291,162.30/48,003.69
  6. Step 6: Final answer
    x = 19,400.41

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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.