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Finding the Fourth Proportional to 19,730.25, 29,600.51 and 5,879.25

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Solution

The fourth proportional to 19,730.25, 29,600.51 and 5,879.25 is: 8,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,730.25 : 29,600.51 = 5,879.25 : x
  2. Step 2: Convert to fraction form
    19,730.25/29,600.51 = 5,879.25/x
  3. Step 3: Cross multiply
    19,730.25x = 29,600.51 × 5,879.25
  4. Step 4: Simplify right side
    19,730.25x = 174,028,769.02
  5. Step 5: Solve for x
    x = 174,028,769.02/19,730.25
  6. Step 6: Final answer
    x = 8,820.40

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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.