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Finding the Fourth Proportional to 10,690.15, 14,752.41 and 5,844.90

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Solution

The fourth proportional to 10,690.15, 14,752.41 and 5,844.90 is: 8,065.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690.15 : 14,752.41 = 5,844.90 : x
  2. Step 2: Convert to fraction form
    10,690.15/14,752.41 = 5,844.90/x
  3. Step 3: Cross multiply
    10,690.15x = 14,752.41 × 5,844.90
  4. Step 4: Simplify right side
    10,690.15x = 86,226,299.10
  5. Step 5: Solve for x
    x = 86,226,299.10/10,690.15
  6. Step 6: Final answer
    x = 8,065.96

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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.