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Finding the Fourth Proportional to 6,717.78, 10,070.10 and 3,020.94

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Solution

The fourth proportional to 6,717.78, 10,070.10 and 3,020.94 is: 4,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,717.78 : 10,070.10 = 3,020.94 : x
  2. Step 2: Convert to fraction form
    6,717.78/10,070.10 = 3,020.94/x
  3. Step 3: Cross multiply
    6,717.78x = 10,070.10 × 3,020.94
  4. Step 4: Simplify right side
    6,717.78x = 30,421,167.89
  5. Step 5: Solve for x
    x = 30,421,167.89/6,717.78
  6. Step 6: Final answer
    x = 4,528.46

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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.