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Finding the Fourth Proportional to 19,166.32, 28,750.68 and 6,019.20

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Solution

The fourth proportional to 19,166.32, 28,750.68 and 6,019.20 is: 9,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,166.32 : 28,750.68 = 6,019.20 : x
  2. Step 2: Convert to fraction form
    19,166.32/28,750.68 = 6,019.20/x
  3. Step 3: Cross multiply
    19,166.32x = 28,750.68 × 6,019.20
  4. Step 4: Simplify right side
    19,166.32x = 173,056,093.06
  5. Step 5: Solve for x
    x = 173,056,093.06/19,166.32
  6. Step 6: Final answer
    x = 9,029.18

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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.