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Finding the Fourth Proportional to 8,854.49, 13,277.49 and 5,157.77

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Solution

The fourth proportional to 8,854.49, 13,277.49 and 5,157.77 is: 7,734.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,854.49 : 13,277.49 = 5,157.77 : x
  2. Step 2: Convert to fraction form
    8,854.49/13,277.49 = 5,157.77/x
  3. Step 3: Cross multiply
    8,854.49x = 13,277.49 × 5,157.77
  4. Step 4: Simplify right side
    8,854.49x = 68,482,239.60
  5. Step 5: Solve for x
    x = 68,482,239.60/8,854.49
  6. Step 6: Final answer
    x = 7,734.19

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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.