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Finding the Fourth Proportional to 21,217.97, 32,026.35 and 21,217.97

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Solution

The fourth proportional to 21,217.97, 32,026.35 and 21,217.97 is: 32,026.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,217.97 : 32,026.35 = 21,217.97 : x
  2. Step 2: Convert to fraction form
    21,217.97/32,026.35 = 21,217.97/x
  3. Step 3: Cross multiply
    21,217.97x = 32,026.35 × 21,217.97
  4. Step 4: Simplify right side
    21,217.97x = 679,533,973.38
  5. Step 5: Solve for x
    x = 679,533,973.38/21,217.97
  6. Step 6: Final answer
    x = 32,026.35

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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.