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Finding the Fourth Proportional to 7,603.97, 10,491.57 and 4,619.93

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Solution

The fourth proportional to 7,603.97, 10,491.57 and 4,619.93 is: 6,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.97 : 10,491.57 = 4,619.93 : x
  2. Step 2: Convert to fraction form
    7,603.97/10,491.57 = 4,619.93/x
  3. Step 3: Cross multiply
    7,603.97x = 10,491.57 × 4,619.93
  4. Step 4: Simplify right side
    7,603.97x = 48,470,266.53
  5. Step 5: Solve for x
    x = 48,470,266.53/7,603.97
  6. Step 6: Final answer
    x = 6,374.34

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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.