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Finding the Fourth Proportional to 24,649.76, 36,979.50 and 7,119.74

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Solution

The fourth proportional to 24,649.76, 36,979.50 and 7,119.74 is: 10,681.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,649.76 : 36,979.50 = 7,119.74 : x
  2. Step 2: Convert to fraction form
    24,649.76/36,979.50 = 7,119.74/x
  3. Step 3: Cross multiply
    24,649.76x = 36,979.50 × 7,119.74
  4. Step 4: Simplify right side
    24,649.76x = 263,284,425.33
  5. Step 5: Solve for x
    x = 263,284,425.33/24,649.76
  6. Step 6: Final answer
    x = 10,681.01

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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.