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Finding the Fourth Proportional to 63,368.64, 87,453 and 36,510.48

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Solution

The fourth proportional to 63,368.64, 87,453 and 36,510.48 is: 50,386.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.64 : 87,453 = 36,510.48 : x
  2. Step 2: Convert to fraction form
    63,368.64/87,453 = 36,510.48/x
  3. Step 3: Cross multiply
    63,368.64x = 87,453 × 36,510.48
  4. Step 4: Simplify right side
    63,368.64x = 3,192,951,007.44
  5. Step 5: Solve for x
    x = 3,192,951,007.44/63,368.64
  6. Step 6: Final answer
    x = 50,386.93

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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.