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Finding the Fourth Proportional to 12,055.88, 16,636.98 and 6,750.72

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Solution

The fourth proportional to 12,055.88, 16,636.98 and 6,750.72 is: 9,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.88 : 16,636.98 = 6,750.72 : x
  2. Step 2: Convert to fraction form
    12,055.88/16,636.98 = 6,750.72/x
  3. Step 3: Cross multiply
    12,055.88x = 16,636.98 × 6,750.72
  4. Step 4: Simplify right side
    12,055.88x = 112,311,593.63
  5. Step 5: Solve for x
    x = 112,311,593.63/12,055.88
  6. Step 6: Final answer
    x = 9,315.92

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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.