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Finding the Fourth Proportional to 12,627.48, 17,448.48 and 9,084.60

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Solution

The fourth proportional to 12,627.48, 17,448.48 and 9,084.60 is: 12,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.48 : 17,448.48 = 9,084.60 : x
  2. Step 2: Convert to fraction form
    12,627.48/17,448.48 = 9,084.60/x
  3. Step 3: Cross multiply
    12,627.48x = 17,448.48 × 9,084.60
  4. Step 4: Simplify right side
    12,627.48x = 158,512,461.41
  5. Step 5: Solve for x
    x = 158,512,461.41/12,627.48
  6. Step 6: Final answer
    x = 12,552.98

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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.