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Finding the Fourth Proportional to 3,257.04, 4,884.88 and 948

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Solution

The fourth proportional to 3,257.04, 4,884.88 and 948 is: 1,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.04 : 4,884.88 = 948 : x
  2. Step 2: Convert to fraction form
    3,257.04/4,884.88 = 948/x
  3. Step 3: Cross multiply
    3,257.04x = 4,884.88 × 948
  4. Step 4: Simplify right side
    3,257.04x = 4,630,866.24
  5. Step 5: Solve for x
    x = 4,630,866.24/3,257.04
  6. Step 6: Final answer
    x = 1,421.80

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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.