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Finding the Fourth Proportional to 15,316.68, 22,942.73 and 7,003.69

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Solution

The fourth proportional to 15,316.68, 22,942.73 and 7,003.69 is: 10,490.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.68 : 22,942.73 = 7,003.69 : x
  2. Step 2: Convert to fraction form
    15,316.68/22,942.73 = 7,003.69/x
  3. Step 3: Cross multiply
    15,316.68x = 22,942.73 × 7,003.69
  4. Step 4: Simplify right side
    15,316.68x = 160,683,753.96
  5. Step 5: Solve for x
    x = 160,683,753.96/15,316.68
  6. Step 6: Final answer
    x = 10,490.77

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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.