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Finding the Fourth Proportional to 4,804.80, 6,630.52 and 2,709.60

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Solution

The fourth proportional to 4,804.80, 6,630.52 and 2,709.60 is: 3,739.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.80 : 6,630.52 = 2,709.60 : x
  2. Step 2: Convert to fraction form
    4,804.80/6,630.52 = 2,709.60/x
  3. Step 3: Cross multiply
    4,804.80x = 6,630.52 × 2,709.60
  4. Step 4: Simplify right side
    4,804.80x = 17,966,056.99
  5. Step 5: Solve for x
    x = 17,966,056.99/4,804.80
  6. Step 6: Final answer
    x = 3,739.19

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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.