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Finding the Fourth Proportional to 16,675.57, 22,916.03 and 15,904.63

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Solution

The fourth proportional to 16,675.57, 22,916.03 and 15,904.63 is: 21,856.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,675.57 : 22,916.03 = 15,904.63 : x
  2. Step 2: Convert to fraction form
    16,675.57/22,916.03 = 15,904.63/x
  3. Step 3: Cross multiply
    16,675.57x = 22,916.03 × 15,904.63
  4. Step 4: Simplify right side
    16,675.57x = 364,470,978.22
  5. Step 5: Solve for x
    x = 364,470,978.22/16,675.57
  6. Step 6: Final answer
    x = 21,856.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.