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Finding the Fourth Proportional to 19,354.70, 29,014.76 and 7,659.92

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Solution

The fourth proportional to 19,354.70, 29,014.76 and 7,659.92 is: 11,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,354.70 : 29,014.76 = 7,659.92 : x
  2. Step 2: Convert to fraction form
    19,354.70/29,014.76 = 7,659.92/x
  3. Step 3: Cross multiply
    19,354.70x = 29,014.76 × 7,659.92
  4. Step 4: Simplify right side
    19,354.70x = 222,250,740.42
  5. Step 5: Solve for x
    x = 222,250,740.42/19,354.70
  6. Step 6: Final answer
    x = 11,483.04

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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.