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Finding the Fourth Proportional to 63,688.93, 87,888.82 and 36,464.11

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Solution

The fourth proportional to 63,688.93, 87,888.82 and 36,464.11 is: 50,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,688.93 : 87,888.82 = 36,464.11 : x
  2. Step 2: Convert to fraction form
    63,688.93/87,888.82 = 36,464.11/x
  3. Step 3: Cross multiply
    63,688.93x = 87,888.82 × 36,464.11
  4. Step 4: Simplify right side
    63,688.93x = 3,204,787,289.37
  5. Step 5: Solve for x
    x = 3,204,787,289.37/63,688.93
  6. Step 6: Final answer
    x = 50,319.38

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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.