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Finding the Fourth Proportional to 35,553, 53,321.30 and 10,590.78

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Solution

The fourth proportional to 35,553, 53,321.30 and 10,590.78 is: 15,883.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,553 : 53,321.30 = 10,590.78 : x
  2. Step 2: Convert to fraction form
    35,553/53,321.30 = 10,590.78/x
  3. Step 3: Cross multiply
    35,553x = 53,321.30 × 10,590.78
  4. Step 4: Simplify right side
    35,553x = 564,714,157.61
  5. Step 5: Solve for x
    x = 564,714,157.61/35,553
  6. Step 6: Final answer
    x = 15,883.73

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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.