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Finding the Fourth Proportional to 10,008.81, 15,008.25 and 5,849.87

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Solution

The fourth proportional to 10,008.81, 15,008.25 and 5,849.87 is: 8,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.81 : 15,008.25 = 5,849.87 : x
  2. Step 2: Convert to fraction form
    10,008.81/15,008.25 = 5,849.87/x
  3. Step 3: Cross multiply
    10,008.81x = 15,008.25 × 5,849.87
  4. Step 4: Simplify right side
    10,008.81x = 87,796,258.32
  5. Step 5: Solve for x
    x = 87,796,258.32/10,008.81
  6. Step 6: Final answer
    x = 8,771.90

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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.