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Finding the Fourth Proportional to 7,295.91, 10,068.18 and 4,065.71

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Solution

The fourth proportional to 7,295.91, 10,068.18 and 4,065.71 is: 5,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.91 : 10,068.18 = 4,065.71 : x
  2. Step 2: Convert to fraction form
    7,295.91/10,068.18 = 4,065.71/x
  3. Step 3: Cross multiply
    7,295.91x = 10,068.18 × 4,065.71
  4. Step 4: Simplify right side
    7,295.91x = 40,934,249.77
  5. Step 5: Solve for x
    x = 40,934,249.77/7,295.91
  6. Step 6: Final answer
    x = 5,610.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.