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Finding the Fourth Proportional to 19,271.33, 28,906.59 and 8,883.08

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Solution

The fourth proportional to 19,271.33, 28,906.59 and 8,883.08 is: 13,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,271.33 : 28,906.59 = 8,883.08 : x
  2. Step 2: Convert to fraction form
    19,271.33/28,906.59 = 8,883.08/x
  3. Step 3: Cross multiply
    19,271.33x = 28,906.59 × 8,883.08
  4. Step 4: Simplify right side
    19,271.33x = 256,779,551.50
  5. Step 5: Solve for x
    x = 256,779,551.50/19,271.33
  6. Step 6: Final answer
    x = 13,324.43

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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.