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Finding the Fourth Proportional to 60,663.50, 90,995.46 and 18,543.41

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Solution

The fourth proportional to 60,663.50, 90,995.46 and 18,543.41 is: 27,815.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,663.50 : 90,995.46 = 18,543.41 : x
  2. Step 2: Convert to fraction form
    60,663.50/90,995.46 = 18,543.41/x
  3. Step 3: Cross multiply
    60,663.50x = 90,995.46 × 18,543.41
  4. Step 4: Simplify right side
    60,663.50x = 1,687,365,667.94
  5. Step 5: Solve for x
    x = 1,687,365,667.94/60,663.50
  6. Step 6: Final answer
    x = 27,815.17

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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.