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Finding the Fourth Proportional to 5,913.76, 8,870.66 and 5,552.91

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Solution

The fourth proportional to 5,913.76, 8,870.66 and 5,552.91 is: 8,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.76 : 8,870.66 = 5,552.91 : x
  2. Step 2: Convert to fraction form
    5,913.76/8,870.66 = 5,552.91/x
  3. Step 3: Cross multiply
    5,913.76x = 8,870.66 × 5,552.91
  4. Step 4: Simplify right side
    5,913.76x = 49,257,976.62
  5. Step 5: Solve for x
    x = 49,257,976.62/5,913.76
  6. Step 6: Final answer
    x = 8,329.38

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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.