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Finding the Fourth Proportional to 11,573.86, 17,360.80 and 4,643.50

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Solution

The fourth proportional to 11,573.86, 17,360.80 and 4,643.50 is: 6,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.86 : 17,360.80 = 4,643.50 : x
  2. Step 2: Convert to fraction form
    11,573.86/17,360.80 = 4,643.50/x
  3. Step 3: Cross multiply
    11,573.86x = 17,360.80 × 4,643.50
  4. Step 4: Simplify right side
    11,573.86x = 80,614,874.80
  5. Step 5: Solve for x
    x = 80,614,874.80/11,573.86
  6. Step 6: Final answer
    x = 6,965.25

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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.