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Finding the Fourth Proportional to 10,794.59, 14,899.70 and 7,018.14

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Solution

The fourth proportional to 10,794.59, 14,899.70 and 7,018.14 is: 9,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,794.59 : 14,899.70 = 7,018.14 : x
  2. Step 2: Convert to fraction form
    10,794.59/14,899.70 = 7,018.14/x
  3. Step 3: Cross multiply
    10,794.59x = 14,899.70 × 7,018.14
  4. Step 4: Simplify right side
    10,794.59x = 104,568,214.50
  5. Step 5: Solve for x
    x = 104,568,214.50/10,794.59
  6. Step 6: Final answer
    x = 9,687.09

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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.