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Finding the Fourth Proportional to 7,092.88, 10,587.40 and 6,578.88

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Solution

The fourth proportional to 7,092.88, 10,587.40 and 6,578.88 is: 9,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.88 : 10,587.40 = 6,578.88 : x
  2. Step 2: Convert to fraction form
    7,092.88/10,587.40 = 6,578.88/x
  3. Step 3: Cross multiply
    7,092.88x = 10,587.40 × 6,578.88
  4. Step 4: Simplify right side
    7,092.88x = 69,653,234.11
  5. Step 5: Solve for x
    x = 69,653,234.11/7,092.88
  6. Step 6: Final answer
    x = 9,820.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.