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Finding the Fourth Proportional to 6,712.61, 9,266.87 and 6,270.89

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Solution

The fourth proportional to 6,712.61, 9,266.87 and 6,270.89 is: 8,657.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.61 : 9,266.87 = 6,270.89 : x
  2. Step 2: Convert to fraction form
    6,712.61/9,266.87 = 6,270.89/x
  3. Step 3: Cross multiply
    6,712.61x = 9,266.87 × 6,270.89
  4. Step 4: Simplify right side
    6,712.61x = 58,111,491.76
  5. Step 5: Solve for x
    x = 58,111,491.76/6,712.61
  6. Step 6: Final answer
    x = 8,657.07

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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.