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Finding the Fourth Proportional to 3,505.98, 4,838.16 and 1,934.07

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Solution

The fourth proportional to 3,505.98, 4,838.16 and 1,934.07 is: 2,668.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.98 : 4,838.16 = 1,934.07 : x
  2. Step 2: Convert to fraction form
    3,505.98/4,838.16 = 1,934.07/x
  3. Step 3: Cross multiply
    3,505.98x = 4,838.16 × 1,934.07
  4. Step 4: Simplify right side
    3,505.98x = 9,357,340.11
  5. Step 5: Solve for x
    x = 9,357,340.11/3,505.98
  6. Step 6: Final answer
    x = 2,668.97

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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.