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Finding the Fourth Proportional to 40,453.99, 60,600.90 and 19,077.45

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Solution

The fourth proportional to 40,453.99, 60,600.90 and 19,077.45 is: 28,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,453.99 : 60,600.90 = 19,077.45 : x
  2. Step 2: Convert to fraction form
    40,453.99/60,600.90 = 19,077.45/x
  3. Step 3: Cross multiply
    40,453.99x = 60,600.90 × 19,077.45
  4. Step 4: Simplify right side
    40,453.99x = 1,156,110,639.71
  5. Step 5: Solve for x
    x = 1,156,110,639.71/40,453.99
  6. Step 6: Final answer
    x = 28,578.41

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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.