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Finding the Fourth Proportional to 5,516.59, 7,612.90 and 3,032.59

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Solution

The fourth proportional to 5,516.59, 7,612.90 and 3,032.59 is: 4,184.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.59 : 7,612.90 = 3,032.59 : x
  2. Step 2: Convert to fraction form
    5,516.59/7,612.90 = 3,032.59/x
  3. Step 3: Cross multiply
    5,516.59x = 7,612.90 × 3,032.59
  4. Step 4: Simplify right side
    5,516.59x = 23,086,804.41
  5. Step 5: Solve for x
    x = 23,086,804.41/5,516.59
  6. Step 6: Final answer
    x = 4,184.98

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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.