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Finding the Fourth Proportional to 17,136.60, 23,648.46 and 9,684.60

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Solution

The fourth proportional to 17,136.60, 23,648.46 and 9,684.60 is: 13,364.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,136.60 : 23,648.46 = 9,684.60 : x
  2. Step 2: Convert to fraction form
    17,136.60/23,648.46 = 9,684.60/x
  3. Step 3: Cross multiply
    17,136.60x = 23,648.46 × 9,684.60
  4. Step 4: Simplify right side
    17,136.60x = 229,025,875.72
  5. Step 5: Solve for x
    x = 229,025,875.72/17,136.60
  6. Step 6: Final answer
    x = 13,364.72

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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.