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Finding the Fourth Proportional to 64,307.08, 88,789.26 and 41,657.32

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Solution

The fourth proportional to 64,307.08, 88,789.26 and 41,657.32 is: 57,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,307.08 : 88,789.26 = 41,657.32 : x
  2. Step 2: Convert to fraction form
    64,307.08/88,789.26 = 41,657.32/x
  3. Step 3: Cross multiply
    64,307.08x = 88,789.26 × 41,657.32
  4. Step 4: Simplify right side
    64,307.08x = 3,698,722,616.38
  5. Step 5: Solve for x
    x = 3,698,722,616.38/64,307.08
  6. Step 6: Final answer
    x = 57,516.57

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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.