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Finding the Fourth Proportional to 37,995.66, 56,990.79 and 11,697.66

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Solution

The fourth proportional to 37,995.66, 56,990.79 and 11,697.66 is: 17,545.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,995.66 : 56,990.79 = 11,697.66 : x
  2. Step 2: Convert to fraction form
    37,995.66/56,990.79 = 11,697.66/x
  3. Step 3: Cross multiply
    37,995.66x = 56,990.79 × 11,697.66
  4. Step 4: Simplify right side
    37,995.66x = 666,658,884.55
  5. Step 5: Solve for x
    x = 666,658,884.55/37,995.66
  6. Step 6: Final answer
    x = 17,545.66

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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.