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Finding the Fourth Proportional to 64,197.92, 88,408.32 and 52,916.24

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Solution

The fourth proportional to 64,197.92, 88,408.32 and 52,916.24 is: 72,872.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,197.92 : 88,408.32 = 52,916.24 : x
  2. Step 2: Convert to fraction form
    64,197.92/88,408.32 = 52,916.24/x
  3. Step 3: Cross multiply
    64,197.92x = 88,408.32 × 52,916.24
  4. Step 4: Simplify right side
    64,197.92x = 4,678,235,879.12
  5. Step 5: Solve for x
    x = 4,678,235,879.12/64,197.92
  6. Step 6: Final answer
    x = 72,872.08

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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.