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Finding the Fourth Proportional to 63,156.84, 87,153.48 and 36,280.44

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Solution

The fourth proportional to 63,156.84, 87,153.48 and 36,280.44 is: 50,065.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,156.84 : 87,153.48 = 36,280.44 : x
  2. Step 2: Convert to fraction form
    63,156.84/87,153.48 = 36,280.44/x
  3. Step 3: Cross multiply
    63,156.84x = 87,153.48 × 36,280.44
  4. Step 4: Simplify right side
    63,156.84x = 3,161,966,601.93
  5. Step 5: Solve for x
    x = 3,161,966,601.93/63,156.84
  6. Step 6: Final answer
    x = 50,065.31

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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.