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Finding the Fourth Proportional to 3,585.33, 4,935.33 and 3,118.77

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Solution

The fourth proportional to 3,585.33, 4,935.33 and 3,118.77 is: 4,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.33 : 4,935.33 = 3,118.77 : x
  2. Step 2: Convert to fraction form
    3,585.33/4,935.33 = 3,118.77/x
  3. Step 3: Cross multiply
    3,585.33x = 4,935.33 × 3,118.77
  4. Step 4: Simplify right side
    3,585.33x = 15,392,159.14
  5. Step 5: Solve for x
    x = 15,392,159.14/3,585.33
  6. Step 6: Final answer
    x = 4,293.09

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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.