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Finding the Fourth Proportional to 11,641.58, 16,068.77 and 7,608.99

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Solution

The fourth proportional to 11,641.58, 16,068.77 and 7,608.99 is: 10,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,641.58 : 16,068.77 = 7,608.99 : x
  2. Step 2: Convert to fraction form
    11,641.58/16,068.77 = 7,608.99/x
  3. Step 3: Cross multiply
    11,641.58x = 16,068.77 × 7,608.99
  4. Step 4: Simplify right side
    11,641.58x = 122,267,110.24
  5. Step 5: Solve for x
    x = 122,267,110.24/11,641.58
  6. Step 6: Final answer
    x = 10,502.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.