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Finding the Fourth Proportional to 7,072.06, 10,608.08 and 1,877.93

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Solution

The fourth proportional to 7,072.06, 10,608.08 and 1,877.93 is: 2,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.06 : 10,608.08 = 1,877.93 : x
  2. Step 2: Convert to fraction form
    7,072.06/10,608.08 = 1,877.93/x
  3. Step 3: Cross multiply
    7,072.06x = 10,608.08 × 1,877.93
  4. Step 4: Simplify right side
    7,072.06x = 19,921,243.00
  5. Step 5: Solve for x
    x = 19,921,243.00/7,072.06
  6. Step 6: Final answer
    x = 2,816.90

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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.