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Finding the Fourth Proportional to 64,207.50, 88,608.95 and 35,526.66

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Solution

The fourth proportional to 64,207.50, 88,608.95 and 35,526.66 is: 49,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,207.50 : 88,608.95 = 35,526.66 : x
  2. Step 2: Convert to fraction form
    64,207.50/88,608.95 = 35,526.66/x
  3. Step 3: Cross multiply
    64,207.50x = 88,608.95 × 35,526.66
  4. Step 4: Simplify right side
    64,207.50x = 3,147,980,039.61
  5. Step 5: Solve for x
    x = 3,147,980,039.61/64,207.50
  6. Step 6: Final answer
    x = 49,028.23

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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.