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Finding the Fourth Proportional to 66,460.91, 99,728.62 and 35,295.35

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Solution

The fourth proportional to 66,460.91, 99,728.62 and 35,295.35 is: 52,962.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,460.91 : 99,728.62 = 35,295.35 : x
  2. Step 2: Convert to fraction form
    66,460.91/99,728.62 = 35,295.35/x
  3. Step 3: Cross multiply
    66,460.91x = 99,728.62 × 35,295.35
  4. Step 4: Simplify right side
    66,460.91x = 3,519,955,961.04
  5. Step 5: Solve for x
    x = 3,519,955,961.04/66,460.91
  6. Step 6: Final answer
    x = 52,962.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.