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Finding the Fourth Proportional to 37,995.30, 56,996.19 and 9,919.08

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Solution

The fourth proportional to 37,995.30, 56,996.19 and 9,919.08 is: 14,879.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,995.30 : 56,996.19 = 9,919.08 : x
  2. Step 2: Convert to fraction form
    37,995.30/56,996.19 = 9,919.08/x
  3. Step 3: Cross multiply
    37,995.30x = 56,996.19 × 9,919.08
  4. Step 4: Simplify right side
    37,995.30x = 565,349,768.31
  5. Step 5: Solve for x
    x = 565,349,768.31/37,995.30
  6. Step 6: Final answer
    x = 14,879.47

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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.