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Finding the Fourth Proportional to 60,563.70, 90,860.13 and 19,010.70

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Solution

The fourth proportional to 60,563.70, 90,860.13 and 19,010.70 is: 28,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563.70 : 90,860.13 = 19,010.70 : x
  2. Step 2: Convert to fraction form
    60,563.70/90,860.13 = 19,010.70/x
  3. Step 3: Cross multiply
    60,563.70x = 90,860.13 × 19,010.70
  4. Step 4: Simplify right side
    60,563.70x = 1,727,314,673.39
  5. Step 5: Solve for x
    x = 1,727,314,673.39/60,563.70
  6. Step 6: Final answer
    x = 28,520.63

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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.