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Finding the Fourth Proportional to 63,308.79, 87,365.93 and 36,441.50

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Solution

The fourth proportional to 63,308.79, 87,365.93 and 36,441.50 is: 50,289.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,308.79 : 87,365.93 = 36,441.50 : x
  2. Step 2: Convert to fraction form
    63,308.79/87,365.93 = 36,441.50/x
  3. Step 3: Cross multiply
    63,308.79x = 87,365.93 × 36,441.50
  4. Step 4: Simplify right side
    63,308.79x = 3,183,744,919.06
  5. Step 5: Solve for x
    x = 3,183,744,919.06/63,308.79
  6. Step 6: Final answer
    x = 50,289.14

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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.