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Finding the Fourth Proportional to 21,684.54, 32,526.81 and 6,893.46

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Solution

The fourth proportional to 21,684.54, 32,526.81 and 6,893.46 is: 10,340.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.54 : 32,526.81 = 6,893.46 : x
  2. Step 2: Convert to fraction form
    21,684.54/32,526.81 = 6,893.46/x
  3. Step 3: Cross multiply
    21,684.54x = 32,526.81 × 6,893.46
  4. Step 4: Simplify right side
    21,684.54x = 224,222,263.66
  5. Step 5: Solve for x
    x = 224,222,263.66/21,684.54
  6. Step 6: Final answer
    x = 10,340.19

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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.