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Finding the Fourth Proportional to 5,508.16, 7,590.76 and 5,406.94

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Solution

The fourth proportional to 5,508.16, 7,590.76 and 5,406.94 is: 7,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508.16 : 7,590.76 = 5,406.94 : x
  2. Step 2: Convert to fraction form
    5,508.16/7,590.76 = 5,406.94/x
  3. Step 3: Cross multiply
    5,508.16x = 7,590.76 × 5,406.94
  4. Step 4: Simplify right side
    5,508.16x = 41,042,783.87
  5. Step 5: Solve for x
    x = 41,042,783.87/5,508.16
  6. Step 6: Final answer
    x = 7,451.27

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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.