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Finding the Fourth Proportional to 7,605.97, 10,491.06 and 6,117.33

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Solution

The fourth proportional to 7,605.97, 10,491.06 and 6,117.33 is: 8,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.97 : 10,491.06 = 6,117.33 : x
  2. Step 2: Convert to fraction form
    7,605.97/10,491.06 = 6,117.33/x
  3. Step 3: Cross multiply
    7,605.97x = 10,491.06 × 6,117.33
  4. Step 4: Simplify right side
    7,605.97x = 64,177,276.07
  5. Step 5: Solve for x
    x = 64,177,276.07/7,605.97
  6. Step 6: Final answer
    x = 8,437.75

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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.