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Finding the Fourth Proportional to 60,167.16, 90,333.56 and 30,605

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Solution

The fourth proportional to 60,167.16, 90,333.56 and 30,605 is: 45,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,167.16 : 90,333.56 = 30,605 : x
  2. Step 2: Convert to fraction form
    60,167.16/90,333.56 = 30,605/x
  3. Step 3: Cross multiply
    60,167.16x = 90,333.56 × 30,605
  4. Step 4: Simplify right side
    60,167.16x = 2,764,658,603.80
  5. Step 5: Solve for x
    x = 2,764,658,603.80/60,167.16
  6. Step 6: Final answer
    x = 45,949.63

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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.