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Finding the Fourth Proportional to 60,813.39, 83,907.49 and 36,938.64

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Solution

The fourth proportional to 60,813.39, 83,907.49 and 36,938.64 is: 50,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,813.39 : 83,907.49 = 36,938.64 : x
  2. Step 2: Convert to fraction form
    60,813.39/83,907.49 = 36,938.64/x
  3. Step 3: Cross multiply
    60,813.39x = 83,907.49 × 36,938.64
  4. Step 4: Simplify right side
    60,813.39x = 3,099,428,566.41
  5. Step 5: Solve for x
    x = 3,099,428,566.41/60,813.39
  6. Step 6: Final answer
    x = 50,966.22

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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.