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Finding the Fourth Proportional to 6,887.57, 9,504.88 and 4,055.06

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Solution

The fourth proportional to 6,887.57, 9,504.88 and 4,055.06 is: 5,596.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.57 : 9,504.88 = 4,055.06 : x
  2. Step 2: Convert to fraction form
    6,887.57/9,504.88 = 4,055.06/x
  3. Step 3: Cross multiply
    6,887.57x = 9,504.88 × 4,055.06
  4. Step 4: Simplify right side
    6,887.57x = 38,542,872.32
  5. Step 5: Solve for x
    x = 38,542,872.32/6,887.57
  6. Step 6: Final answer
    x = 5,596.01

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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.