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Finding the Fourth Proportional to 8,393.13, 11,582.73 and 4,616.42

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Solution

The fourth proportional to 8,393.13, 11,582.73 and 4,616.42 is: 6,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.13 : 11,582.73 = 4,616.42 : x
  2. Step 2: Convert to fraction form
    8,393.13/11,582.73 = 4,616.42/x
  3. Step 3: Cross multiply
    8,393.13x = 11,582.73 × 4,616.42
  4. Step 4: Simplify right side
    8,393.13x = 53,470,688.51
  5. Step 5: Solve for x
    x = 53,470,688.51/8,393.13
  6. Step 6: Final answer
    x = 6,370.77

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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.