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Finding the Fourth Proportional to 9,255.64, 12,768.42 and 6,068.92

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Solution

The fourth proportional to 9,255.64, 12,768.42 and 6,068.92 is: 8,372.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,255.64 : 12,768.42 = 6,068.92 : x
  2. Step 2: Convert to fraction form
    9,255.64/12,768.42 = 6,068.92/x
  3. Step 3: Cross multiply
    9,255.64x = 12,768.42 × 6,068.92
  4. Step 4: Simplify right side
    9,255.64x = 77,490,519.51
  5. Step 5: Solve for x
    x = 77,490,519.51/9,255.64
  6. Step 6: Final answer
    x = 8,372.25

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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.