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Finding the Fourth Proportional to 7,252.80, 10,895.40 and 7,058.40

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Solution

The fourth proportional to 7,252.80, 10,895.40 and 7,058.40 is: 10,603.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,252.80 : 10,895.40 = 7,058.40 : x
  2. Step 2: Convert to fraction form
    7,252.80/10,895.40 = 7,058.40/x
  3. Step 3: Cross multiply
    7,252.80x = 10,895.40 × 7,058.40
  4. Step 4: Simplify right side
    7,252.80x = 76,904,091.36
  5. Step 5: Solve for x
    x = 76,904,091.36/7,252.80
  6. Step 6: Final answer
    x = 10,603.37

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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.