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Finding the Fourth Proportional to 8,909.91, 13,365.59 and 2,336.08

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Solution

The fourth proportional to 8,909.91, 13,365.59 and 2,336.08 is: 3,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.91 : 13,365.59 = 2,336.08 : x
  2. Step 2: Convert to fraction form
    8,909.91/13,365.59 = 2,336.08/x
  3. Step 3: Cross multiply
    8,909.91x = 13,365.59 × 2,336.08
  4. Step 4: Simplify right side
    8,909.91x = 31,223,054.07
  5. Step 5: Solve for x
    x = 31,223,054.07/8,909.91
  6. Step 6: Final answer
    x = 3,504.31

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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.