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Finding the Fourth Proportional to 6,554.76, 9,045.06 and 3,902.76

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Solution

The fourth proportional to 6,554.76, 9,045.06 and 3,902.76 is: 5,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.76 : 9,045.06 = 3,902.76 : x
  2. Step 2: Convert to fraction form
    6,554.76/9,045.06 = 3,902.76/x
  3. Step 3: Cross multiply
    6,554.76x = 9,045.06 × 3,902.76
  4. Step 4: Simplify right side
    6,554.76x = 35,300,698.37
  5. Step 5: Solve for x
    x = 35,300,698.37/6,554.76
  6. Step 6: Final answer
    x = 5,385.51

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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.