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Finding the Fourth Proportional to 53,195.57, 73,408.92 and 28,996.77

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Solution

The fourth proportional to 53,195.57, 73,408.92 and 28,996.77 is: 40,015.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,195.57 : 73,408.92 = 28,996.77 : x
  2. Step 2: Convert to fraction form
    53,195.57/73,408.92 = 28,996.77/x
  3. Step 3: Cross multiply
    53,195.57x = 73,408.92 × 28,996.77
  4. Step 4: Simplify right side
    53,195.57x = 2,128,621,569.19
  5. Step 5: Solve for x
    x = 2,128,621,569.19/53,195.57
  6. Step 6: Final answer
    x = 40,015.02

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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.