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Finding the Fourth Proportional to 56,887.88, 85,331.81 and 15,334.88

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Solution

The fourth proportional to 56,887.88, 85,331.81 and 15,334.88 is: 23,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,887.88 : 85,331.81 = 15,334.88 : x
  2. Step 2: Convert to fraction form
    56,887.88/85,331.81 = 15,334.88/x
  3. Step 3: Cross multiply
    56,887.88x = 85,331.81 × 15,334.88
  4. Step 4: Simplify right side
    56,887.88x = 1,308,552,678.21
  5. Step 5: Solve for x
    x = 1,308,552,678.21/56,887.88
  6. Step 6: Final answer
    x = 23,002.31

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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.