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Finding the Fourth Proportional to 7,541.36, 11,369.91 and 7,033.18

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Solution

The fourth proportional to 7,541.36, 11,369.91 and 7,033.18 is: 10,603.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,541.36 : 11,369.91 = 7,033.18 : x
  2. Step 2: Convert to fraction form
    7,541.36/11,369.91 = 7,033.18/x
  3. Step 3: Cross multiply
    7,541.36x = 11,369.91 × 7,033.18
  4. Step 4: Simplify right side
    7,541.36x = 79,966,623.61
  5. Step 5: Solve for x
    x = 79,966,623.61/7,541.36
  6. Step 6: Final answer
    x = 10,603.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.