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Finding the Fourth Proportional to 3,095.09, 4,641.77 and 873.77

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Solution

The fourth proportional to 3,095.09, 4,641.77 and 873.77 is: 1,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,095.09 : 4,641.77 = 873.77 : x
  2. Step 2: Convert to fraction form
    3,095.09/4,641.77 = 873.77/x
  3. Step 3: Cross multiply
    3,095.09x = 4,641.77 × 873.77
  4. Step 4: Simplify right side
    3,095.09x = 4,055,835.00
  5. Step 5: Solve for x
    x = 4,055,835.00/3,095.09
  6. Step 6: Final answer
    x = 1,310.41

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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.