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Finding the Fourth Proportional to 19,598.10, 29,400.03 and 6,447.30

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Solution

The fourth proportional to 19,598.10, 29,400.03 and 6,447.30 is: 9,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,598.10 : 29,400.03 = 6,447.30 : x
  2. Step 2: Convert to fraction form
    19,598.10/29,400.03 = 6,447.30/x
  3. Step 3: Cross multiply
    19,598.10x = 29,400.03 × 6,447.30
  4. Step 4: Simplify right side
    19,598.10x = 189,550,813.42
  5. Step 5: Solve for x
    x = 189,550,813.42/19,598.10
  6. Step 6: Final answer
    x = 9,671.90

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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.