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Finding the Fourth Proportional to 9,895.80, 14,814.54 and 7,310.28

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Solution

The fourth proportional to 9,895.80, 14,814.54 and 7,310.28 is: 10,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.80 : 14,814.54 = 7,310.28 : x
  2. Step 2: Convert to fraction form
    9,895.80/14,814.54 = 7,310.28/x
  3. Step 3: Cross multiply
    9,895.80x = 14,814.54 × 7,310.28
  4. Step 4: Simplify right side
    9,895.80x = 108,298,435.47
  5. Step 5: Solve for x
    x = 108,298,435.47/9,895.80
  6. Step 6: Final answer
    x = 10,943.88

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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.