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Finding the Fourth Proportional to 7,603.71, 11,395.19 and 4,825.40

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Solution

The fourth proportional to 7,603.71, 11,395.19 and 4,825.40 is: 7,231.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.71 : 11,395.19 = 4,825.40 : x
  2. Step 2: Convert to fraction form
    7,603.71/11,395.19 = 4,825.40/x
  3. Step 3: Cross multiply
    7,603.71x = 11,395.19 × 4,825.40
  4. Step 4: Simplify right side
    7,603.71x = 54,986,349.83
  5. Step 5: Solve for x
    x = 54,986,349.83/7,603.71
  6. Step 6: Final answer
    x = 7,231.52

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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.