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Finding the Fourth Proportional to 16,762.65, 25,143.97 and 4,282.70

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Solution

The fourth proportional to 16,762.65, 25,143.97 and 4,282.70 is: 6,424.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,762.65 : 25,143.97 = 4,282.70 : x
  2. Step 2: Convert to fraction form
    16,762.65/25,143.97 = 4,282.70/x
  3. Step 3: Cross multiply
    16,762.65x = 25,143.97 × 4,282.70
  4. Step 4: Simplify right side
    16,762.65x = 107,684,080.32
  5. Step 5: Solve for x
    x = 107,684,080.32/16,762.65
  6. Step 6: Final answer
    x = 6,424.05

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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.