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Finding the Fourth Proportional to 21,889.33, 32,826.96 and 7,094.68

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Solution

The fourth proportional to 21,889.33, 32,826.96 and 7,094.68 is: 10,639.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,889.33 : 32,826.96 = 7,094.68 : x
  2. Step 2: Convert to fraction form
    21,889.33/32,826.96 = 7,094.68/x
  3. Step 3: Cross multiply
    21,889.33x = 32,826.96 × 7,094.68
  4. Step 4: Simplify right side
    21,889.33x = 232,896,694.51
  5. Step 5: Solve for x
    x = 232,896,694.51/21,889.33
  6. Step 6: Final answer
    x = 10,639.74

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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.