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Finding the Fourth Proportional to 64,259.86, 88,677.69 and 35,576.77

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Solution

The fourth proportional to 64,259.86, 88,677.69 and 35,576.77 is: 49,095.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,259.86 : 88,677.69 = 35,576.77 : x
  2. Step 2: Convert to fraction form
    64,259.86/88,677.69 = 35,576.77/x
  3. Step 3: Cross multiply
    64,259.86x = 88,677.69 × 35,576.77
  4. Step 4: Simplify right side
    64,259.86x = 3,154,865,781.26
  5. Step 5: Solve for x
    x = 3,154,865,781.26/64,259.86
  6. Step 6: Final answer
    x = 49,095.44

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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.