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Finding the Fourth Proportional to 2,804.56, 3,869.58 and 1,873.24

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Solution

The fourth proportional to 2,804.56, 3,869.58 and 1,873.24 is: 2,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.56 : 3,869.58 = 1,873.24 : x
  2. Step 2: Convert to fraction form
    2,804.56/3,869.58 = 1,873.24/x
  3. Step 3: Cross multiply
    2,804.56x = 3,869.58 × 1,873.24
  4. Step 4: Simplify right side
    2,804.56x = 7,248,652.04
  5. Step 5: Solve for x
    x = 7,248,652.04/2,804.56
  6. Step 6: Final answer
    x = 2,584.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.