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Finding the Fourth Proportional to 4,689.99, 6,436.44 and 4,246.92

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Solution

The fourth proportional to 4,689.99, 6,436.44 and 4,246.92 is: 5,828.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689.99 : 6,436.44 = 4,246.92 : x
  2. Step 2: Convert to fraction form
    4,689.99/6,436.44 = 4,246.92/x
  3. Step 3: Cross multiply
    4,689.99x = 6,436.44 × 4,246.92
  4. Step 4: Simplify right side
    4,689.99x = 27,335,045.76
  5. Step 5: Solve for x
    x = 27,335,045.76/4,689.99
  6. Step 6: Final answer
    x = 5,828.38

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.