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Finding the Fourth Proportional to 9,583.45, 13,228.73 and 5,605.81

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Solution

The fourth proportional to 9,583.45, 13,228.73 and 5,605.81 is: 7,738.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,583.45 : 13,228.73 = 5,605.81 : x
  2. Step 2: Convert to fraction form
    9,583.45/13,228.73 = 5,605.81/x
  3. Step 3: Cross multiply
    9,583.45x = 13,228.73 × 5,605.81
  4. Step 4: Simplify right side
    9,583.45x = 74,157,746.92
  5. Step 5: Solve for x
    x = 74,157,746.92/9,583.45
  6. Step 6: Final answer
    x = 7,738.11

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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.