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Finding the Fourth Proportional to 60,308.81, 83,214.15 and 36,436.80

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Solution

The fourth proportional to 60,308.81, 83,214.15 and 36,436.80 is: 50,275.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,308.81 : 83,214.15 = 36,436.80 : x
  2. Step 2: Convert to fraction form
    60,308.81/83,214.15 = 36,436.80/x
  3. Step 3: Cross multiply
    60,308.81x = 83,214.15 × 36,436.80
  4. Step 4: Simplify right side
    60,308.81x = 3,032,057,340.72
  5. Step 5: Solve for x
    x = 3,032,057,340.72/60,308.81
  6. Step 6: Final answer
    x = 50,275.53

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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.