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Finding the Fourth Proportional to 9,813.55, 14,703.59 and 6,479.59

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Solution

The fourth proportional to 9,813.55, 14,703.59 and 6,479.59 is: 9,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,813.55 : 14,703.59 = 6,479.59 : x
  2. Step 2: Convert to fraction form
    9,813.55/14,703.59 = 6,479.59/x
  3. Step 3: Cross multiply
    9,813.55x = 14,703.59 × 6,479.59
  4. Step 4: Simplify right side
    9,813.55x = 95,273,202.33
  5. Step 5: Solve for x
    x = 95,273,202.33/9,813.55
  6. Step 6: Final answer
    x = 9,708.33

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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.