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Finding the Fourth Proportional to 3,096.56, 4,643.93 and 904.77

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Solution

The fourth proportional to 3,096.56, 4,643.93 and 904.77 is: 1,356.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,096.56 : 4,643.93 = 904.77 : x
  2. Step 2: Convert to fraction form
    3,096.56/4,643.93 = 904.77/x
  3. Step 3: Cross multiply
    3,096.56x = 4,643.93 × 904.77
  4. Step 4: Simplify right side
    3,096.56x = 4,201,690.81
  5. Step 5: Solve for x
    x = 4,201,690.81/3,096.56
  6. Step 6: Final answer
    x = 1,356.89

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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.