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Finding the Fourth Proportional to 64,389.78, 88,857.54 and 36,094.86

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Solution

The fourth proportional to 64,389.78, 88,857.54 and 36,094.86 is: 49,810.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,389.78 : 88,857.54 = 36,094.86 : x
  2. Step 2: Convert to fraction form
    64,389.78/88,857.54 = 36,094.86/x
  3. Step 3: Cross multiply
    64,389.78x = 88,857.54 × 36,094.86
  4. Step 4: Simplify right side
    64,389.78x = 3,207,300,466.24
  5. Step 5: Solve for x
    x = 3,207,300,466.24/64,389.78
  6. Step 6: Final answer
    x = 49,810.71

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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.