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Finding the Fourth Proportional to 21,726.70, 32,593.65 and 9,252.70

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Solution

The fourth proportional to 21,726.70, 32,593.65 and 9,252.70 is: 13,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.70 : 32,593.65 = 9,252.70 : x
  2. Step 2: Convert to fraction form
    21,726.70/32,593.65 = 9,252.70/x
  3. Step 3: Cross multiply
    21,726.70x = 32,593.65 × 9,252.70
  4. Step 4: Simplify right side
    21,726.70x = 301,579,265.36
  5. Step 5: Solve for x
    x = 301,579,265.36/21,726.70
  6. Step 6: Final answer
    x = 13,880.58

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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.