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Finding the Fourth Proportional to 9,673.56, 13,355.19 and 7,431.03

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Solution

The fourth proportional to 9,673.56, 13,355.19 and 7,431.03 is: 10,259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,673.56 : 13,355.19 = 7,431.03 : x
  2. Step 2: Convert to fraction form
    9,673.56/13,355.19 = 7,431.03/x
  3. Step 3: Cross multiply
    9,673.56x = 13,355.19 × 7,431.03
  4. Step 4: Simplify right side
    9,673.56x = 99,242,817.55
  5. Step 5: Solve for x
    x = 99,242,817.55/9,673.56
  6. Step 6: Final answer
    x = 10,259.18

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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.