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Finding the Fourth Proportional to 8,376.71, 12,564.99 and 2,533.32

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Solution

The fourth proportional to 8,376.71, 12,564.99 and 2,533.32 is: 3,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.71 : 12,564.99 = 2,533.32 : x
  2. Step 2: Convert to fraction form
    8,376.71/12,564.99 = 2,533.32/x
  3. Step 3: Cross multiply
    8,376.71x = 12,564.99 × 2,533.32
  4. Step 4: Simplify right side
    8,376.71x = 31,831,140.47
  5. Step 5: Solve for x
    x = 31,831,140.47/8,376.71
  6. Step 6: Final answer
    x = 3,799.96

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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.