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Finding the Fourth Proportional to 12,293.03, 16,965.93 and 6,915.74

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Solution

The fourth proportional to 12,293.03, 16,965.93 and 6,915.74 is: 9,544.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.03 : 16,965.93 = 6,915.74 : x
  2. Step 2: Convert to fraction form
    12,293.03/16,965.93 = 6,915.74/x
  3. Step 3: Cross multiply
    12,293.03x = 16,965.93 × 6,915.74
  4. Step 4: Simplify right side
    12,293.03x = 117,331,960.74
  5. Step 5: Solve for x
    x = 117,331,960.74/12,293.03
  6. Step 6: Final answer
    x = 9,544.59

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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.