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Finding the Fourth Proportional to 26,497.47, 39,721.50 and 8,955.10

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Solution

The fourth proportional to 26,497.47, 39,721.50 and 8,955.10 is: 13,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,497.47 : 39,721.50 = 8,955.10 : x
  2. Step 2: Convert to fraction form
    26,497.47/39,721.50 = 8,955.10/x
  3. Step 3: Cross multiply
    26,497.47x = 39,721.50 × 8,955.10
  4. Step 4: Simplify right side
    26,497.47x = 355,709,905.35
  5. Step 5: Solve for x
    x = 355,709,905.35/26,497.47
  6. Step 6: Final answer
    x = 13,424.30

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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.