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Finding the Fourth Proportional to 5,977.18, 9,010.54 and 5,575.78

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Solution

The fourth proportional to 5,977.18, 9,010.54 and 5,575.78 is: 8,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.18 : 9,010.54 = 5,575.78 : x
  2. Step 2: Convert to fraction form
    5,977.18/9,010.54 = 5,575.78/x
  3. Step 3: Cross multiply
    5,977.18x = 9,010.54 × 5,575.78
  4. Step 4: Simplify right side
    5,977.18x = 50,240,740.59
  5. Step 5: Solve for x
    x = 50,240,740.59/5,977.18
  6. Step 6: Final answer
    x = 8,405.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.