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Finding the Fourth Proportional to 35,138.94, 48,491.69 and 19,223.38

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Solution

The fourth proportional to 35,138.94, 48,491.69 and 19,223.38 is: 26,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.94 : 48,491.69 = 19,223.38 : x
  2. Step 2: Convert to fraction form
    35,138.94/48,491.69 = 19,223.38/x
  3. Step 3: Cross multiply
    35,138.94x = 48,491.69 × 19,223.38
  4. Step 4: Simplify right side
    35,138.94x = 932,174,183.71
  5. Step 5: Solve for x
    x = 932,174,183.71/35,138.94
  6. Step 6: Final answer
    x = 26,528.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.