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Finding the Fourth Proportional to 24,919.78, 37,384.80 and 10,128.67

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Solution

The fourth proportional to 24,919.78, 37,384.80 and 10,128.67 is: 15,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,919.78 : 37,384.80 = 10,128.67 : x
  2. Step 2: Convert to fraction form
    24,919.78/37,384.80 = 10,128.67/x
  3. Step 3: Cross multiply
    24,919.78x = 37,384.80 × 10,128.67
  4. Step 4: Simplify right side
    24,919.78x = 378,658,302.22
  5. Step 5: Solve for x
    x = 378,658,302.22/24,919.78
  6. Step 6: Final answer
    x = 15,195.09

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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.