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Finding the Fourth Proportional to 15,316.84, 22,942.96 and 7,003.84

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Solution

The fourth proportional to 15,316.84, 22,942.96 and 7,003.84 is: 10,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.84 : 22,942.96 = 7,003.84 : x
  2. Step 2: Convert to fraction form
    15,316.84/22,942.96 = 7,003.84/x
  3. Step 3: Cross multiply
    15,316.84x = 22,942.96 × 7,003.84
  4. Step 4: Simplify right side
    15,316.84x = 160,688,820.97
  5. Step 5: Solve for x
    x = 160,688,820.97/15,316.84
  6. Step 6: Final answer
    x = 10,490.99

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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.