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Finding the Fourth Proportional to 35,299.70, 48,714.72 and 19,384.52

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Solution

The fourth proportional to 35,299.70, 48,714.72 and 19,384.52 is: 26,751.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,299.70 : 48,714.72 = 19,384.52 : x
  2. Step 2: Convert to fraction form
    35,299.70/48,714.72 = 19,384.52/x
  3. Step 3: Cross multiply
    35,299.70x = 48,714.72 × 19,384.52
  4. Step 4: Simplify right side
    35,299.70x = 944,311,147.87
  5. Step 5: Solve for x
    x = 944,311,147.87/35,299.70
  6. Step 6: Final answer
    x = 26,751.25

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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.