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Finding the Fourth Proportional to 10,802.99, 16,203.12 and 4,233.79

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Solution

The fourth proportional to 10,802.99, 16,203.12 and 4,233.79 is: 6,350.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,802.99 : 16,203.12 = 4,233.79 : x
  2. Step 2: Convert to fraction form
    10,802.99/16,203.12 = 4,233.79/x
  3. Step 3: Cross multiply
    10,802.99x = 16,203.12 × 4,233.79
  4. Step 4: Simplify right side
    10,802.99x = 68,600,607.42
  5. Step 5: Solve for x
    x = 68,600,607.42/10,802.99
  6. Step 6: Final answer
    x = 6,350.15

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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.