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Finding the Fourth Proportional to 9,307.59, 12,844.50 and 5,328.73

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Solution

The fourth proportional to 9,307.59, 12,844.50 and 5,328.73 is: 7,353.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,307.59 : 12,844.50 = 5,328.73 : x
  2. Step 2: Convert to fraction form
    9,307.59/12,844.50 = 5,328.73/x
  3. Step 3: Cross multiply
    9,307.59x = 12,844.50 × 5,328.73
  4. Step 4: Simplify right side
    9,307.59x = 68,444,888.54
  5. Step 5: Solve for x
    x = 68,444,888.54/9,307.59
  6. Step 6: Final answer
    x = 7,353.67

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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.