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Finding the Fourth Proportional to 8,917.23, 13,365.93 and 4,525.65

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Solution

The fourth proportional to 8,917.23, 13,365.93 and 4,525.65 is: 6,783.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,917.23 : 13,365.93 = 4,525.65 : x
  2. Step 2: Convert to fraction form
    8,917.23/13,365.93 = 4,525.65/x
  3. Step 3: Cross multiply
    8,917.23x = 13,365.93 × 4,525.65
  4. Step 4: Simplify right side
    8,917.23x = 60,489,521.10
  5. Step 5: Solve for x
    x = 60,489,521.10/8,917.23
  6. Step 6: Final answer
    x = 6,783.44

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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.