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Finding the Fourth Proportional to 3,553.98, 5,330.34 and 957.18

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Solution

The fourth proportional to 3,553.98, 5,330.34 and 957.18 is: 1,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.98 : 5,330.34 = 957.18 : x
  2. Step 2: Convert to fraction form
    3,553.98/5,330.34 = 957.18/x
  3. Step 3: Cross multiply
    3,553.98x = 5,330.34 × 957.18
  4. Step 4: Simplify right side
    3,553.98x = 5,102,094.84
  5. Step 5: Solve for x
    x = 5,102,094.84/3,553.98
  6. Step 6: Final answer
    x = 1,435.60

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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.