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Finding the Fourth Proportional to 63,308.57, 87,376.58 and 36,466.64

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Solution

The fourth proportional to 63,308.57, 87,376.58 and 36,466.64 is: 50,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,308.57 : 87,376.58 = 36,466.64 : x
  2. Step 2: Convert to fraction form
    63,308.57/87,376.58 = 36,466.64/x
  3. Step 3: Cross multiply
    63,308.57x = 87,376.58 × 36,466.64
  4. Step 4: Simplify right side
    63,308.57x = 3,186,329,941.57
  5. Step 5: Solve for x
    x = 3,186,329,941.57/63,308.57
  6. Step 6: Final answer
    x = 50,330.16

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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.