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Finding the Fourth Proportional to 16,812.84, 25,210.89 and 9,795.30

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Solution

The fourth proportional to 16,812.84, 25,210.89 and 9,795.30 is: 14,688.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.84 : 25,210.89 = 9,795.30 : x
  2. Step 2: Convert to fraction form
    16,812.84/25,210.89 = 9,795.30/x
  3. Step 3: Cross multiply
    16,812.84x = 25,210.89 × 9,795.30
  4. Step 4: Simplify right side
    16,812.84x = 246,948,230.82
  5. Step 5: Solve for x
    x = 246,948,230.82/16,812.84
  6. Step 6: Final answer
    x = 14,688.07

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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.