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Finding the Fourth Proportional to 66,009.98, 91,094.56 and 36,201.98

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Solution

The fourth proportional to 66,009.98, 91,094.56 and 36,201.98 is: 49,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.98 : 91,094.56 = 36,201.98 : x
  2. Step 2: Convert to fraction form
    66,009.98/91,094.56 = 36,201.98/x
  3. Step 3: Cross multiply
    66,009.98x = 91,094.56 × 36,201.98
  4. Step 4: Simplify right side
    66,009.98x = 3,297,803,439.23
  5. Step 5: Solve for x
    x = 3,297,803,439.23/66,009.98
  6. Step 6: Final answer
    x = 49,959.16

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1.5x scale

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.