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Finding the Fourth Proportional to 7,005.11, 9,663.99 and 5,014.94

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Solution

The fourth proportional to 7,005.11, 9,663.99 and 5,014.94 is: 6,918.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.11 : 9,663.99 = 5,014.94 : x
  2. Step 2: Convert to fraction form
    7,005.11/9,663.99 = 5,014.94/x
  3. Step 3: Cross multiply
    7,005.11x = 9,663.99 × 5,014.94
  4. Step 4: Simplify right side
    7,005.11x = 48,464,330.01
  5. Step 5: Solve for x
    x = 48,464,330.01/7,005.11
  6. Step 6: Final answer
    x = 6,918.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.