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Finding the Fourth Proportional to 9,455.76, 13,053 and 6,768.72

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Solution

The fourth proportional to 9,455.76, 13,053 and 6,768.72 is: 9,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,455.76 : 13,053 = 6,768.72 : x
  2. Step 2: Convert to fraction form
    9,455.76/13,053 = 6,768.72/x
  3. Step 3: Cross multiply
    9,455.76x = 13,053 × 6,768.72
  4. Step 4: Simplify right side
    9,455.76x = 88,352,102.16
  5. Step 5: Solve for x
    x = 88,352,102.16/9,455.76
  6. Step 6: Final answer
    x = 9,343.73

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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.