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Finding the Fourth Proportional to 7,012.69, 10,510.96 and 2,848.13

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Solution

The fourth proportional to 7,012.69, 10,510.96 and 2,848.13 is: 4,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.69 : 10,510.96 = 2,848.13 : x
  2. Step 2: Convert to fraction form
    7,012.69/10,510.96 = 2,848.13/x
  3. Step 3: Cross multiply
    7,012.69x = 10,510.96 × 2,848.13
  4. Step 4: Simplify right side
    7,012.69x = 29,936,527.95
  5. Step 5: Solve for x
    x = 29,936,527.95/7,012.69
  6. Step 6: Final answer
    x = 4,268.91

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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.