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Finding the Fourth Proportional to 60,408.57, 83,334.90 and 42,513.51

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Solution

The fourth proportional to 60,408.57, 83,334.90 and 42,513.51 is: 58,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,408.57 : 83,334.90 = 42,513.51 : x
  2. Step 2: Convert to fraction form
    60,408.57/83,334.90 = 42,513.51/x
  3. Step 3: Cross multiply
    60,408.57x = 83,334.90 × 42,513.51
  4. Step 4: Simplify right side
    60,408.57x = 3,542,859,104.50
  5. Step 5: Solve for x
    x = 3,542,859,104.50/60,408.57
  6. Step 6: Final answer
    x = 58,648.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.