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Finding the Fourth Proportional to 21,504.51, 32,264.28 and 8,366.09

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Solution

The fourth proportional to 21,504.51, 32,264.28 and 8,366.09 is: 12,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,504.51 : 32,264.28 = 8,366.09 : x
  2. Step 2: Convert to fraction form
    21,504.51/32,264.28 = 8,366.09/x
  3. Step 3: Cross multiply
    21,504.51x = 32,264.28 × 8,366.09
  4. Step 4: Simplify right side
    21,504.51x = 269,925,708.94
  5. Step 5: Solve for x
    x = 269,925,708.94/21,504.51
  6. Step 6: Final answer
    x = 12,552.05

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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.