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Finding the Fourth Proportional to 66,013.76, 91,096.44 and 35,798.52

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Solution

The fourth proportional to 66,013.76, 91,096.44 and 35,798.52 is: 49,400.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,013.76 : 91,096.44 = 35,798.52 : x
  2. Step 2: Convert to fraction form
    66,013.76/91,096.44 = 35,798.52/x
  3. Step 3: Cross multiply
    66,013.76x = 91,096.44 × 35,798.52
  4. Step 4: Simplify right side
    66,013.76x = 3,261,117,729.27
  5. Step 5: Solve for x
    x = 3,261,117,729.27/66,013.76
  6. Step 6: Final answer
    x = 49,400.58

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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.