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Finding the Fourth Proportional to 23,670.39, 32,666.19 and 13,059.39

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Solution

The fourth proportional to 23,670.39, 32,666.19 and 13,059.39 is: 18,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,670.39 : 32,666.19 = 13,059.39 : x
  2. Step 2: Convert to fraction form
    23,670.39/32,666.19 = 13,059.39/x
  3. Step 3: Cross multiply
    23,670.39x = 32,666.19 × 13,059.39
  4. Step 4: Simplify right side
    23,670.39x = 426,600,515.02
  5. Step 5: Solve for x
    x = 426,600,515.02/23,670.39
  6. Step 6: Final answer
    x = 18,022.54

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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.