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Finding the Fourth Proportional to 60,683.10, 91,008.45 and 18,563.10

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Solution

The fourth proportional to 60,683.10, 91,008.45 and 18,563.10 is: 27,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,683.10 : 91,008.45 = 18,563.10 : x
  2. Step 2: Convert to fraction form
    60,683.10/91,008.45 = 18,563.10/x
  3. Step 3: Cross multiply
    60,683.10x = 91,008.45 × 18,563.10
  4. Step 4: Simplify right side
    60,683.10x = 1,689,398,958.20
  5. Step 5: Solve for x
    x = 1,689,398,958.20/60,683.10
  6. Step 6: Final answer
    x = 27,839.69

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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.