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Finding the Fourth Proportional to 6,776.76, 9,339.21 and 4,652.94

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Solution

The fourth proportional to 6,776.76, 9,339.21 and 4,652.94 is: 6,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.76 : 9,339.21 = 4,652.94 : x
  2. Step 2: Convert to fraction form
    6,776.76/9,339.21 = 4,652.94/x
  3. Step 3: Cross multiply
    6,776.76x = 9,339.21 × 4,652.94
  4. Step 4: Simplify right side
    6,776.76x = 43,454,783.78
  5. Step 5: Solve for x
    x = 43,454,783.78/6,776.76
  6. Step 6: Final answer
    x = 6,412.32

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Half scale
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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.