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Finding the Fourth Proportional to 4,833.71, 6,651.19 and 4,689.28

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Solution

The fourth proportional to 4,833.71, 6,651.19 and 4,689.28 is: 6,452.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,833.71 : 6,651.19 = 4,689.28 : x
  2. Step 2: Convert to fraction form
    4,833.71/6,651.19 = 4,689.28/x
  3. Step 3: Cross multiply
    4,833.71x = 6,651.19 × 4,689.28
  4. Step 4: Simplify right side
    4,833.71x = 31,189,255.82
  5. Step 5: Solve for x
    x = 31,189,255.82/4,833.71
  6. Step 6: Final answer
    x = 6,452.45

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Double scale
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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.