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Finding the Fourth Proportional to 2,613.60, 3,574.80 and 2,548.80

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Solution

The fourth proportional to 2,613.60, 3,574.80 and 2,548.80 is: 3,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,613.60 : 3,574.80 = 2,548.80 : x
  2. Step 2: Convert to fraction form
    2,613.60/3,574.80 = 2,548.80/x
  3. Step 3: Cross multiply
    2,613.60x = 3,574.80 × 2,548.80
  4. Step 4: Simplify right side
    2,613.60x = 9,111,450.24
  5. Step 5: Solve for x
    x = 9,111,450.24/2,613.60
  6. Step 6: Final answer
    x = 3,486.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.