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Finding the Fourth Proportional to 15,103.68, 22,669.94 and 9,271.68

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Solution

The fourth proportional to 15,103.68, 22,669.94 and 9,271.68 is: 13,916.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,103.68 : 22,669.94 = 9,271.68 : x
  2. Step 2: Convert to fraction form
    15,103.68/22,669.94 = 9,271.68/x
  3. Step 3: Cross multiply
    15,103.68x = 22,669.94 × 9,271.68
  4. Step 4: Simplify right side
    15,103.68x = 210,188,382.94
  5. Step 5: Solve for x
    x = 210,188,382.94/15,103.68
  6. Step 6: Final answer
    x = 13,916.37

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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.