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Finding the Fourth Proportional to 2,903.64, 4,352.86 and 1,054.32

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Solution

The fourth proportional to 2,903.64, 4,352.86 and 1,054.32 is: 1,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.64 : 4,352.86 = 1,054.32 : x
  2. Step 2: Convert to fraction form
    2,903.64/4,352.86 = 1,054.32/x
  3. Step 3: Cross multiply
    2,903.64x = 4,352.86 × 1,054.32
  4. Step 4: Simplify right side
    2,903.64x = 4,589,307.36
  5. Step 5: Solve for x
    x = 4,589,307.36/2,903.64
  6. Step 6: Final answer
    x = 1,580.54

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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.