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Finding the Fourth Proportional to 64,534.64, 89,054.46 and 35,855.91

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Solution

The fourth proportional to 64,534.64, 89,054.46 and 35,855.91 is: 49,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,534.64 : 89,054.46 = 35,855.91 : x
  2. Step 2: Convert to fraction form
    64,534.64/89,054.46 = 35,855.91/x
  3. Step 3: Cross multiply
    64,534.64x = 89,054.46 × 35,855.91
  4. Step 4: Simplify right side
    64,534.64x = 3,193,128,702.86
  5. Step 5: Solve for x
    x = 3,193,128,702.86/64,534.64
  6. Step 6: Final answer
    x = 49,479.30

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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.