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Finding the Fourth Proportional to 60,276.79, 83,183.90 and 33,421.80

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Solution

The fourth proportional to 60,276.79, 83,183.90 and 33,421.80 is: 46,123.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,276.79 : 83,183.90 = 33,421.80 : x
  2. Step 2: Convert to fraction form
    60,276.79/83,183.90 = 33,421.80/x
  3. Step 3: Cross multiply
    60,276.79x = 83,183.90 × 33,421.80
  4. Step 4: Simplify right side
    60,276.79x = 2,780,155,669.02
  5. Step 5: Solve for x
    x = 2,780,155,669.02/60,276.79
  6. Step 6: Final answer
    x = 46,123.15

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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.