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Finding the Fourth Proportional to 8,979.84, 13,477.92 and 4,600.32

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Solution

The fourth proportional to 8,979.84, 13,477.92 and 4,600.32 is: 6,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,979.84 : 13,477.92 = 4,600.32 : x
  2. Step 2: Convert to fraction form
    8,979.84/13,477.92 = 4,600.32/x
  3. Step 3: Cross multiply
    8,979.84x = 13,477.92 × 4,600.32
  4. Step 4: Simplify right side
    8,979.84x = 62,002,744.93
  5. Step 5: Solve for x
    x = 62,002,744.93/8,979.84
  6. Step 6: Final answer
    x = 6,904.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.