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Finding the Fourth Proportional to 63,368.57, 87,468.08 and 36,528.99

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Solution

The fourth proportional to 63,368.57, 87,468.08 and 36,528.99 is: 50,421.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,368.57 : 87,468.08 = 36,528.99 : x
  2. Step 2: Convert to fraction form
    63,368.57/87,468.08 = 36,528.99/x
  3. Step 3: Cross multiply
    63,368.57x = 87,468.08 × 36,528.99
  4. Step 4: Simplify right side
    63,368.57x = 3,195,120,436.99
  5. Step 5: Solve for x
    x = 3,195,120,436.99/63,368.57
  6. Step 6: Final answer
    x = 50,421.22

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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.