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Finding the Fourth Proportional to 66,652.64, 91,981.52 and 36,437.48

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Solution

The fourth proportional to 66,652.64, 91,981.52 and 36,437.48 is: 50,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652.64 : 91,981.52 = 36,437.48 : x
  2. Step 2: Convert to fraction form
    66,652.64/91,981.52 = 36,437.48/x
  3. Step 3: Cross multiply
    66,652.64x = 91,981.52 × 36,437.48
  4. Step 4: Simplify right side
    66,652.64x = 3,351,574,795.37
  5. Step 5: Solve for x
    x = 3,351,574,795.37/66,652.64
  6. Step 6: Final answer
    x = 50,284.20

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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.