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Finding the Fourth Proportional to 9,982.09, 13,775.09 and 5,506.26

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Solution

The fourth proportional to 9,982.09, 13,775.09 and 5,506.26 is: 7,598.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,982.09 : 13,775.09 = 5,506.26 : x
  2. Step 2: Convert to fraction form
    9,982.09/13,775.09 = 5,506.26/x
  3. Step 3: Cross multiply
    9,982.09x = 13,775.09 × 5,506.26
  4. Step 4: Simplify right side
    9,982.09x = 75,849,130.66
  5. Step 5: Solve for x
    x = 75,849,130.66/9,982.09
  6. Step 6: Final answer
    x = 7,598.52

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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.