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Finding the Fourth Proportional to 5,583.56, 7,706.44 and 3,346.76

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Solution

The fourth proportional to 5,583.56, 7,706.44 and 3,346.76 is: 4,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,583.56 : 7,706.44 = 3,346.76 : x
  2. Step 2: Convert to fraction form
    5,583.56/7,706.44 = 3,346.76/x
  3. Step 3: Cross multiply
    5,583.56x = 7,706.44 × 3,346.76
  4. Step 4: Simplify right side
    5,583.56x = 25,791,605.13
  5. Step 5: Solve for x
    x = 25,791,605.13/5,583.56
  6. Step 6: Final answer
    x = 4,619.20

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Half scale
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Double scale
Find fourth proportional to 5,584.56, 7,707.82 and 3,347.76
Similar ratio
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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.