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Finding the Fourth Proportional to 15,671, 23,484.39 and 8,654.17

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Solution

The fourth proportional to 15,671, 23,484.39 and 8,654.17 is: 12,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,671 : 23,484.39 = 8,654.17 : x
  2. Step 2: Convert to fraction form
    15,671/23,484.39 = 8,654.17/x
  3. Step 3: Cross multiply
    15,671x = 23,484.39 × 8,654.17
  4. Step 4: Simplify right side
    15,671x = 203,237,903.41
  5. Step 5: Solve for x
    x = 203,237,903.41/15,671
  6. Step 6: Final answer
    x = 12,969.04

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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.