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Finding the Fourth Proportional to 6,918.75, 9,558.27 and 4,534.38

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Solution

The fourth proportional to 6,918.75, 9,558.27 and 4,534.38 is: 6,264.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.75 : 9,558.27 = 4,534.38 : x
  2. Step 2: Convert to fraction form
    6,918.75/9,558.27 = 4,534.38/x
  3. Step 3: Cross multiply
    6,918.75x = 9,558.27 × 4,534.38
  4. Step 4: Simplify right side
    6,918.75x = 43,340,828.32
  5. Step 5: Solve for x
    x = 43,340,828.32/6,918.75
  6. Step 6: Final answer
    x = 6,264.26

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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.