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Finding the Fourth Proportional to 7,673.95, 11,510.92 and 5,076.28

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Solution

The fourth proportional to 7,673.95, 11,510.92 and 5,076.28 is: 7,614.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,673.95 : 11,510.92 = 5,076.28 : x
  2. Step 2: Convert to fraction form
    7,673.95/11,510.92 = 5,076.28/x
  3. Step 3: Cross multiply
    7,673.95x = 11,510.92 × 5,076.28
  4. Step 4: Simplify right side
    7,673.95x = 58,432,630.55
  5. Step 5: Solve for x
    x = 58,432,630.55/7,673.95
  6. Step 6: Final answer
    x = 7,614.42

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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.