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Finding the Fourth Proportional to 9,918.82, 14,882.10 and 4,368.26

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Solution

The fourth proportional to 9,918.82, 14,882.10 and 4,368.26 is: 6,554.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,918.82 : 14,882.10 = 4,368.26 : x
  2. Step 2: Convert to fraction form
    9,918.82/14,882.10 = 4,368.26/x
  3. Step 3: Cross multiply
    9,918.82x = 14,882.10 × 4,368.26
  4. Step 4: Simplify right side
    9,918.82x = 65,008,847.16
  5. Step 5: Solve for x
    x = 65,008,847.16/9,918.82
  6. Step 6: Final answer
    x = 6,554.09

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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.