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Finding the Fourth Proportional to 23,201.70, 34,802.55 and 8,410.60

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Solution

The fourth proportional to 23,201.70, 34,802.55 and 8,410.60 is: 12,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,201.70 : 34,802.55 = 8,410.60 : x
  2. Step 2: Convert to fraction form
    23,201.70/34,802.55 = 8,410.60/x
  3. Step 3: Cross multiply
    23,201.70x = 34,802.55 × 8,410.60
  4. Step 4: Simplify right side
    23,201.70x = 292,710,327.03
  5. Step 5: Solve for x
    x = 292,710,327.03/23,201.70
  6. Step 6: Final answer
    x = 12,615.90

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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.