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Finding the Fourth Proportional to 6,750.88, 10,127.52 and 2,070.80

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Solution

The fourth proportional to 6,750.88, 10,127.52 and 2,070.80 is: 3,106.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,750.88 : 10,127.52 = 2,070.80 : x
  2. Step 2: Convert to fraction form
    6,750.88/10,127.52 = 2,070.80/x
  3. Step 3: Cross multiply
    6,750.88x = 10,127.52 × 2,070.80
  4. Step 4: Simplify right side
    6,750.88x = 20,972,068.42
  5. Step 5: Solve for x
    x = 20,972,068.42/6,750.88
  6. Step 6: Final answer
    x = 3,106.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.