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Finding the Fourth Proportional to 19,458.92, 29,193.02 and 6,311.32

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Solution

The fourth proportional to 19,458.92, 29,193.02 and 6,311.32 is: 9,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,458.92 : 29,193.02 = 6,311.32 : x
  2. Step 2: Convert to fraction form
    19,458.92/29,193.02 = 6,311.32/x
  3. Step 3: Cross multiply
    19,458.92x = 29,193.02 × 6,311.32
  4. Step 4: Simplify right side
    19,458.92x = 184,246,490.99
  5. Step 5: Solve for x
    x = 184,246,490.99/19,458.92
  6. Step 6: Final answer
    x = 9,468.48

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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.