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Finding the Fourth Proportional to 16,855.87, 25,287.06 and 6,466.81

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Solution

The fourth proportional to 16,855.87, 25,287.06 and 6,466.81 is: 9,701.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.87 : 25,287.06 = 6,466.81 : x
  2. Step 2: Convert to fraction form
    16,855.87/25,287.06 = 6,466.81/x
  3. Step 3: Cross multiply
    16,855.87x = 25,287.06 × 6,466.81
  4. Step 4: Simplify right side
    16,855.87x = 163,526,612.48
  5. Step 5: Solve for x
    x = 163,526,612.48/16,855.87
  6. Step 6: Final answer
    x = 9,701.46

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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.