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Finding the Fourth Proportional to 24,678.81, 37,020.24 and 9,879.66

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Solution

The fourth proportional to 24,678.81, 37,020.24 and 9,879.66 is: 14,820.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,678.81 : 37,020.24 = 9,879.66 : x
  2. Step 2: Convert to fraction form
    24,678.81/37,020.24 = 9,879.66/x
  3. Step 3: Cross multiply
    24,678.81x = 37,020.24 × 9,879.66
  4. Step 4: Simplify right side
    24,678.81x = 365,747,384.32
  5. Step 5: Solve for x
    x = 365,747,384.32/24,678.81
  6. Step 6: Final answer
    x = 14,820.30

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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.