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Finding the Fourth Proportional to 60,431.71, 90,616.44 and 27,123.22

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Solution

The fourth proportional to 60,431.71, 90,616.44 and 27,123.22 is: 40,670.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,431.71 : 90,616.44 = 27,123.22 : x
  2. Step 2: Convert to fraction form
    60,431.71/90,616.44 = 27,123.22/x
  3. Step 3: Cross multiply
    60,431.71x = 90,616.44 × 27,123.22
  4. Step 4: Simplify right side
    60,431.71x = 2,457,809,637.74
  5. Step 5: Solve for x
    x = 2,457,809,637.74/60,431.71
  6. Step 6: Final answer
    x = 40,670.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.