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Finding the Fourth Proportional to 5,943.67, 8,915.49 and 1,783.67

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Solution

The fourth proportional to 5,943.67, 8,915.49 and 1,783.67 is: 2,675.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,943.67 : 8,915.49 = 1,783.67 : x
  2. Step 2: Convert to fraction form
    5,943.67/8,915.49 = 1,783.67/x
  3. Step 3: Cross multiply
    5,943.67x = 8,915.49 × 1,783.67
  4. Step 4: Simplify right side
    5,943.67x = 15,902,264.19
  5. Step 5: Solve for x
    x = 15,902,264.19/5,943.67
  6. Step 6: Final answer
    x = 2,675.50

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.