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Finding the Fourth Proportional to 7,673.74, 10,590.15 and 4,529.86

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Solution

The fourth proportional to 7,673.74, 10,590.15 and 4,529.86 is: 6,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.74 : 10,590.15 = 4,529.86 : x
  2. Step 2: Convert to fraction form
    7,673.74/10,590.15 = 4,529.86/x
  3. Step 3: Cross multiply
    7,673.74x = 10,590.15 × 4,529.86
  4. Step 4: Simplify right side
    7,673.74x = 47,971,896.88
  5. Step 5: Solve for x
    x = 47,971,896.88/7,673.74
  6. Step 6: Final answer
    x = 6,251.44

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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.