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Finding the Fourth Proportional to 15,916.92, 23,879.12 and 15,652.46

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Solution

The fourth proportional to 15,916.92, 23,879.12 and 15,652.46 is: 23,482.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,916.92 : 23,879.12 = 15,652.46 : x
  2. Step 2: Convert to fraction form
    15,916.92/23,879.12 = 15,652.46/x
  3. Step 3: Cross multiply
    15,916.92x = 23,879.12 × 15,652.46
  4. Step 4: Simplify right side
    15,916.92x = 373,766,772.98
  5. Step 5: Solve for x
    x = 373,766,772.98/15,916.92
  6. Step 6: Final answer
    x = 23,482.36

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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.