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Finding the Fourth Proportional to 23,558.76, 32,511.78 and 12,948.48

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Solution

The fourth proportional to 23,558.76, 32,511.78 and 12,948.48 is: 17,869.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,558.76 : 32,511.78 = 12,948.48 : x
  2. Step 2: Convert to fraction form
    23,558.76/32,511.78 = 12,948.48/x
  3. Step 3: Cross multiply
    23,558.76x = 32,511.78 × 12,948.48
  4. Step 4: Simplify right side
    23,558.76x = 420,978,133.09
  5. Step 5: Solve for x
    x = 420,978,133.09/23,558.76
  6. Step 6: Final answer
    x = 17,869.28

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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.