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Finding the Fourth Proportional to 2,548.04, 3,820.90 and 904.14

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Solution

The fourth proportional to 2,548.04, 3,820.90 and 904.14 is: 1,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548.04 : 3,820.90 = 904.14 : x
  2. Step 2: Convert to fraction form
    2,548.04/3,820.90 = 904.14/x
  3. Step 3: Cross multiply
    2,548.04x = 3,820.90 × 904.14
  4. Step 4: Simplify right side
    2,548.04x = 3,454,628.53
  5. Step 5: Solve for x
    x = 3,454,628.53/2,548.04
  6. Step 6: Final answer
    x = 1,355.80

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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.