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Finding the Fourth Proportional to 8,774.87, 12,114.63 and 5,795.69

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Solution

The fourth proportional to 8,774.87, 12,114.63 and 5,795.69 is: 8,001.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.87 : 12,114.63 = 5,795.69 : x
  2. Step 2: Convert to fraction form
    8,774.87/12,114.63 = 5,795.69/x
  3. Step 3: Cross multiply
    8,774.87x = 12,114.63 × 5,795.69
  4. Step 4: Simplify right side
    8,774.87x = 70,212,579.37
  5. Step 5: Solve for x
    x = 70,212,579.37/8,774.87
  6. Step 6: Final answer
    x = 8,001.56

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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.