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Finding the Fourth Proportional to 16,922.01, 25,376.02 and 6,390.24

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Solution

The fourth proportional to 16,922.01, 25,376.02 and 6,390.24 is: 9,582.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.01 : 25,376.02 = 6,390.24 : x
  2. Step 2: Convert to fraction form
    16,922.01/25,376.02 = 6,390.24/x
  3. Step 3: Cross multiply
    16,922.01x = 25,376.02 × 6,390.24
  4. Step 4: Simplify right side
    16,922.01x = 162,158,842.07
  5. Step 5: Solve for x
    x = 162,158,842.07/16,922.01
  6. Step 6: Final answer
    x = 9,582.72

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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.