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Finding the Fourth Proportional to 63,527.04, 87,661 and 36,678.20

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Solution

The fourth proportional to 63,527.04, 87,661 and 36,678.20 is: 50,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,527.04 : 87,661 = 36,678.20 : x
  2. Step 2: Convert to fraction form
    63,527.04/87,661 = 36,678.20/x
  3. Step 3: Cross multiply
    63,527.04x = 87,661 × 36,678.20
  4. Step 4: Simplify right side
    63,527.04x = 3,215,247,690.20
  5. Step 5: Solve for x
    x = 3,215,247,690.20/63,527.04
  6. Step 6: Final answer
    x = 50,612.27

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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.