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Finding the Fourth Proportional to 6,339.51, 8,746.92 and 4,764.87

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Solution

The fourth proportional to 6,339.51, 8,746.92 and 4,764.87 is: 6,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,339.51 : 8,746.92 = 4,764.87 : x
  2. Step 2: Convert to fraction form
    6,339.51/8,746.92 = 4,764.87/x
  3. Step 3: Cross multiply
    6,339.51x = 8,746.92 × 4,764.87
  4. Step 4: Simplify right side
    6,339.51x = 41,677,936.70
  5. Step 5: Solve for x
    x = 41,677,936.70/6,339.51
  6. Step 6: Final answer
    x = 6,574.32

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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.