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Finding the Fourth Proportional to 64,054.40, 88,391.86 and 35,754.62

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Solution

The fourth proportional to 64,054.40, 88,391.86 and 35,754.62 is: 49,339.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,054.40 : 88,391.86 = 35,754.62 : x
  2. Step 2: Convert to fraction form
    64,054.40/88,391.86 = 35,754.62/x
  3. Step 3: Cross multiply
    64,054.40x = 88,391.86 × 35,754.62
  4. Step 4: Simplify right side
    64,054.40x = 3,160,416,834.05
  5. Step 5: Solve for x
    x = 3,160,416,834.05/64,054.40
  6. Step 6: Final answer
    x = 49,339.58

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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.