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Finding the Fourth Proportional to 5,316.59, 7,972.23 and 3,096.17

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Solution

The fourth proportional to 5,316.59, 7,972.23 and 3,096.17 is: 4,642.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.59 : 7,972.23 = 3,096.17 : x
  2. Step 2: Convert to fraction form
    5,316.59/7,972.23 = 3,096.17/x
  3. Step 3: Cross multiply
    5,316.59x = 7,972.23 × 3,096.17
  4. Step 4: Simplify right side
    5,316.59x = 24,683,339.50
  5. Step 5: Solve for x
    x = 24,683,339.50/5,316.59
  6. Step 6: Final answer
    x = 4,642.70

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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.