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Finding the Fourth Proportional to 60,309.81, 83,215.53 and 36,437.80

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Solution

The fourth proportional to 60,309.81, 83,215.53 and 36,437.80 is: 50,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,309.81 : 83,215.53 = 36,437.80 : x
  2. Step 2: Convert to fraction form
    60,309.81/83,215.53 = 36,437.80/x
  3. Step 3: Cross multiply
    60,309.81x = 83,215.53 × 36,437.80
  4. Step 4: Simplify right side
    60,309.81x = 3,032,190,839.03
  5. Step 5: Solve for x
    x = 3,032,190,839.03/60,309.81
  6. Step 6: Final answer
    x = 50,276.91

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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.