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Finding the Fourth Proportional to 6,491.70, 8,952.66 and 5,551.02

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Solution

The fourth proportional to 6,491.70, 8,952.66 and 5,551.02 is: 7,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,491.70 : 8,952.66 = 5,551.02 : x
  2. Step 2: Convert to fraction form
    6,491.70/8,952.66 = 5,551.02/x
  3. Step 3: Cross multiply
    6,491.70x = 8,952.66 × 5,551.02
  4. Step 4: Simplify right side
    6,491.70x = 49,696,394.71
  5. Step 5: Solve for x
    x = 49,696,394.71/6,491.70
  6. Step 6: Final answer
    x = 7,655.37

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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.