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Finding the Fourth Proportional to 11,345.60, 17,032.80 and 6,084.80

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Solution

The fourth proportional to 11,345.60, 17,032.80 and 6,084.80 is: 9,134.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,345.60 : 17,032.80 = 6,084.80 : x
  2. Step 2: Convert to fraction form
    11,345.60/17,032.80 = 6,084.80/x
  3. Step 3: Cross multiply
    11,345.60x = 17,032.80 × 6,084.80
  4. Step 4: Simplify right side
    11,345.60x = 103,641,181.44
  5. Step 5: Solve for x
    x = 103,641,181.44/11,345.60
  6. Step 6: Final answer
    x = 9,134.92

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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.