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Finding the Fourth Proportional to 21,402.56, 32,250.02 and 17,592.32

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Solution

The fourth proportional to 21,402.56, 32,250.02 and 17,592.32 is: 26,508.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,402.56 : 32,250.02 = 17,592.32 : x
  2. Step 2: Convert to fraction form
    21,402.56/32,250.02 = 17,592.32/x
  3. Step 3: Cross multiply
    21,402.56x = 32,250.02 × 17,592.32
  4. Step 4: Simplify right side
    21,402.56x = 567,352,671.85
  5. Step 5: Solve for x
    x = 567,352,671.85/21,402.56
  6. Step 6: Final answer
    x = 26,508.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.