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Finding the Fourth Proportional to 8,504.66, 11,745.40 and 7,577.01

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Solution

The fourth proportional to 8,504.66, 11,745.40 and 7,577.01 is: 10,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504.66 : 11,745.40 = 7,577.01 : x
  2. Step 2: Convert to fraction form
    8,504.66/11,745.40 = 7,577.01/x
  3. Step 3: Cross multiply
    8,504.66x = 11,745.40 × 7,577.01
  4. Step 4: Simplify right side
    8,504.66x = 88,994,994.31
  5. Step 5: Solve for x
    x = 88,994,994.31/8,504.66
  6. Step 6: Final answer
    x = 10,464.26

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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.