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Finding the Fourth Proportional to 64,210.88, 88,611.15 and 35,532.62

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Solution

The fourth proportional to 64,210.88, 88,611.15 and 35,532.62 is: 49,035.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,210.88 : 88,611.15 = 35,532.62 : x
  2. Step 2: Convert to fraction form
    64,210.88/88,611.15 = 35,532.62/x
  3. Step 3: Cross multiply
    64,210.88x = 88,611.15 × 35,532.62
  4. Step 4: Simplify right side
    64,210.88x = 3,148,585,877.66
  5. Step 5: Solve for x
    x = 3,148,585,877.66/64,210.88
  6. Step 6: Final answer
    x = 49,035.09

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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.