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Finding the Fourth Proportional to 21,360.51, 32,050.08 and 8,883.68

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Solution

The fourth proportional to 21,360.51, 32,050.08 and 8,883.68 is: 13,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,360.51 : 32,050.08 = 8,883.68 : x
  2. Step 2: Convert to fraction form
    21,360.51/32,050.08 = 8,883.68/x
  3. Step 3: Cross multiply
    21,360.51x = 32,050.08 × 8,883.68
  4. Step 4: Simplify right side
    21,360.51x = 284,722,494.44
  5. Step 5: Solve for x
    x = 284,722,494.44/21,360.51
  6. Step 6: Final answer
    x = 13,329.39

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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.