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Finding the Fourth Proportional to 12,124.26, 16,734.06 and 7,088.49

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Solution

The fourth proportional to 12,124.26, 16,734.06 and 7,088.49 is: 9,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,124.26 : 16,734.06 = 7,088.49 : x
  2. Step 2: Convert to fraction form
    12,124.26/16,734.06 = 7,088.49/x
  3. Step 3: Cross multiply
    12,124.26x = 16,734.06 × 7,088.49
  4. Step 4: Simplify right side
    12,124.26x = 118,619,216.97
  5. Step 5: Solve for x
    x = 118,619,216.97/12,124.26
  6. Step 6: Final answer
    x = 9,783.63

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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.