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Finding the Fourth Proportional to 63,490.84, 87,616.02 and 36,631.24

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Solution

The fourth proportional to 63,490.84, 87,616.02 and 36,631.24 is: 50,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,490.84 : 87,616.02 = 36,631.24 : x
  2. Step 2: Convert to fraction form
    63,490.84/87,616.02 = 36,631.24/x
  3. Step 3: Cross multiply
    63,490.84x = 87,616.02 × 36,631.24
  4. Step 4: Simplify right side
    63,490.84x = 3,209,483,456.46
  5. Step 5: Solve for x
    x = 3,209,483,456.46/63,490.84
  6. Step 6: Final answer
    x = 50,550.34

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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.