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Finding the Fourth Proportional to 7,798.63, 11,703.57 and 3,055.49

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Solution

The fourth proportional to 7,798.63, 11,703.57 and 3,055.49 is: 4,585.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.63 : 11,703.57 = 3,055.49 : x
  2. Step 2: Convert to fraction form
    7,798.63/11,703.57 = 3,055.49/x
  3. Step 3: Cross multiply
    7,798.63x = 11,703.57 × 3,055.49
  4. Step 4: Simplify right side
    7,798.63x = 35,760,141.10
  5. Step 5: Solve for x
    x = 35,760,141.10/7,798.63
  6. Step 6: Final answer
    x = 4,585.44

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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.