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Finding the Fourth Proportional to 3,096.40, 4,644.06 and 904.62

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Solution

The fourth proportional to 3,096.40, 4,644.06 and 904.62 is: 1,356.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.40 : 4,644.06 = 904.62 : x
  2. Step 2: Convert to fraction form
    3,096.40/4,644.06 = 904.62/x
  3. Step 3: Cross multiply
    3,096.40x = 4,644.06 × 904.62
  4. Step 4: Simplify right side
    3,096.40x = 4,201,100.00
  5. Step 5: Solve for x
    x = 4,201,100.00/3,096.40
  6. Step 6: Final answer
    x = 1,356.77

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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.