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Finding the Fourth Proportional to 21,726.59, 32,590.46 and 6,935.49

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Solution

The fourth proportional to 21,726.59, 32,590.46 and 6,935.49 is: 10,403.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,726.59 : 32,590.46 = 6,935.49 : x
  2. Step 2: Convert to fraction form
    21,726.59/32,590.46 = 6,935.49/x
  3. Step 3: Cross multiply
    21,726.59x = 32,590.46 × 6,935.49
  4. Step 4: Simplify right side
    21,726.59x = 226,030,774.75
  5. Step 5: Solve for x
    x = 226,030,774.75/21,726.59
  6. Step 6: Final answer
    x = 10,403.42

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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.