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Finding the Fourth Proportional to 19,015.25, 28,526.68 and 5,867.13

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Solution

The fourth proportional to 19,015.25, 28,526.68 and 5,867.13 is: 8,801.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.25 : 28,526.68 = 5,867.13 : x
  2. Step 2: Convert to fraction form
    19,015.25/28,526.68 = 5,867.13/x
  3. Step 3: Cross multiply
    19,015.25x = 28,526.68 × 5,867.13
  4. Step 4: Simplify right side
    19,015.25x = 167,369,568.06
  5. Step 5: Solve for x
    x = 167,369,568.06/19,015.25
  6. Step 6: Final answer
    x = 8,801.86

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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.