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Finding the Fourth Proportional to 56,801.06, 85,201.78 and 17,358

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Solution

The fourth proportional to 56,801.06, 85,201.78 and 17,358 is: 26,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,801.06 : 85,201.78 = 17,358 : x
  2. Step 2: Convert to fraction form
    56,801.06/85,201.78 = 17,358/x
  3. Step 3: Cross multiply
    56,801.06x = 85,201.78 × 17,358
  4. Step 4: Simplify right side
    56,801.06x = 1,478,932,497.24
  5. Step 5: Solve for x
    x = 1,478,932,497.24/56,801.06
  6. Step 6: Final answer
    x = 26,037.06

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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.