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Finding the Fourth Proportional to 11,860.58, 17,790.88 and 3,095.48

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Solution

The fourth proportional to 11,860.58, 17,790.88 and 3,095.48 is: 4,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.58 : 17,790.88 = 3,095.48 : x
  2. Step 2: Convert to fraction form
    11,860.58/17,790.88 = 3,095.48/x
  3. Step 3: Cross multiply
    11,860.58x = 17,790.88 × 3,095.48
  4. Step 4: Simplify right side
    11,860.58x = 55,071,313.22
  5. Step 5: Solve for x
    x = 55,071,313.22/11,860.58
  6. Step 6: Final answer
    x = 4,643.22

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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.