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Finding the Fourth Proportional to 5,572.95, 8,347.46 and 5,245.86

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Solution

The fourth proportional to 5,572.95, 8,347.46 and 5,245.86 is: 7,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,572.95 : 8,347.46 = 5,245.86 : x
  2. Step 2: Convert to fraction form
    5,572.95/8,347.46 = 5,245.86/x
  3. Step 3: Cross multiply
    5,572.95x = 8,347.46 × 5,245.86
  4. Step 4: Simplify right side
    5,572.95x = 43,789,580.29
  5. Step 5: Solve for x
    x = 43,789,580.29/5,572.95
  6. Step 6: Final answer
    x = 7,857.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.