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Finding the Fourth Proportional to 12,750.84, 17,594.28 and 7,968.60

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Solution

The fourth proportional to 12,750.84, 17,594.28 and 7,968.60 is: 10,995.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.84 : 17,594.28 = 7,968.60 : x
  2. Step 2: Convert to fraction form
    12,750.84/17,594.28 = 7,968.60/x
  3. Step 3: Cross multiply
    12,750.84x = 17,594.28 × 7,968.60
  4. Step 4: Simplify right side
    12,750.84x = 140,201,779.61
  5. Step 5: Solve for x
    x = 140,201,779.61/12,750.84
  6. Step 6: Final answer
    x = 10,995.49

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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.