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Finding the Fourth Proportional to 60,687.82, 90,798.45 and 36,991.07

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Solution

The fourth proportional to 60,687.82, 90,798.45 and 36,991.07 is: 55,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,687.82 : 90,798.45 = 36,991.07 : x
  2. Step 2: Convert to fraction form
    60,687.82/90,798.45 = 36,991.07/x
  3. Step 3: Cross multiply
    60,687.82x = 90,798.45 × 36,991.07
  4. Step 4: Simplify right side
    60,687.82x = 3,358,731,819.84
  5. Step 5: Solve for x
    x = 3,358,731,819.84/60,687.82
  6. Step 6: Final answer
    x = 55,344.41

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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.