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Finding the Fourth Proportional to 5,562.55, 8,311.15 and 5,368.74

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Solution

The fourth proportional to 5,562.55, 8,311.15 and 5,368.74 is: 8,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.55 : 8,311.15 = 5,368.74 : x
  2. Step 2: Convert to fraction form
    5,562.55/8,311.15 = 5,368.74/x
  3. Step 3: Cross multiply
    5,562.55x = 8,311.15 × 5,368.74
  4. Step 4: Simplify right side
    5,562.55x = 44,620,403.45
  5. Step 5: Solve for x
    x = 44,620,403.45/5,562.55
  6. Step 6: Final answer
    x = 8,021.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.