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Finding the Fourth Proportional to 11,360.64, 17,019.08 and 9,282.98

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Solution

The fourth proportional to 11,360.64, 17,019.08 and 9,282.98 is: 13,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,360.64 : 17,019.08 = 9,282.98 : x
  2. Step 2: Convert to fraction form
    11,360.64/17,019.08 = 9,282.98/x
  3. Step 3: Cross multiply
    11,360.64x = 17,019.08 × 9,282.98
  4. Step 4: Simplify right side
    11,360.64x = 157,987,779.26
  5. Step 5: Solve for x
    x = 157,987,779.26/11,360.64
  6. Step 6: Final answer
    x = 13,906.59

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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.