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Finding the Fourth Proportional to 23,266.90, 32,108.90 and 12,656.58

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Solution

The fourth proportional to 23,266.90, 32,108.90 and 12,656.58 is: 17,466.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,266.90 : 32,108.90 = 12,656.58 : x
  2. Step 2: Convert to fraction form
    23,266.90/32,108.90 = 12,656.58/x
  3. Step 3: Cross multiply
    23,266.90x = 32,108.90 × 12,656.58
  4. Step 4: Simplify right side
    23,266.90x = 406,388,861.56
  5. Step 5: Solve for x
    x = 406,388,861.56/23,266.90
  6. Step 6: Final answer
    x = 17,466.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.