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Finding the Fourth Proportional to 16,990.48, 25,482.31 and 5,897.64

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Solution

The fourth proportional to 16,990.48, 25,482.31 and 5,897.64 is: 8,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.48 : 25,482.31 = 5,897.64 : x
  2. Step 2: Convert to fraction form
    16,990.48/25,482.31 = 5,897.64/x
  3. Step 3: Cross multiply
    16,990.48x = 25,482.31 × 5,897.64
  4. Step 4: Simplify right side
    16,990.48x = 150,285,490.75
  5. Step 5: Solve for x
    x = 150,285,490.75/16,990.48
  6. Step 6: Final answer
    x = 8,845.28

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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.