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Finding the Fourth Proportional to 63,358.42, 87,443.90 and 36,495.76

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Solution

The fourth proportional to 63,358.42, 87,443.90 and 36,495.76 is: 50,369.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,358.42 : 87,443.90 = 36,495.76 : x
  2. Step 2: Convert to fraction form
    63,358.42/87,443.90 = 36,495.76/x
  3. Step 3: Cross multiply
    63,358.42x = 87,443.90 × 36,495.76
  4. Step 4: Simplify right side
    63,358.42x = 3,191,331,587.86
  5. Step 5: Solve for x
    x = 3,191,331,587.86/63,358.42
  6. Step 6: Final answer
    x = 50,369.49

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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.