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Finding the Fourth Proportional to 5,918.77, 8,871.85 and 4,453.39

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Solution

The fourth proportional to 5,918.77, 8,871.85 and 4,453.39 is: 6,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.77 : 8,871.85 = 4,453.39 : x
  2. Step 2: Convert to fraction form
    5,918.77/8,871.85 = 4,453.39/x
  3. Step 3: Cross multiply
    5,918.77x = 8,871.85 × 4,453.39
  4. Step 4: Simplify right side
    5,918.77x = 39,509,808.07
  5. Step 5: Solve for x
    x = 39,509,808.07/5,918.77
  6. Step 6: Final answer
    x = 6,675.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.