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Finding the Fourth Proportional to 3,668.48, 5,504.76 and 2,848.40

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Solution

The fourth proportional to 3,668.48, 5,504.76 and 2,848.40 is: 4,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.48 : 5,504.76 = 2,848.40 : x
  2. Step 2: Convert to fraction form
    3,668.48/5,504.76 = 2,848.40/x
  3. Step 3: Cross multiply
    3,668.48x = 5,504.76 × 2,848.40
  4. Step 4: Simplify right side
    3,668.48x = 15,679,758.38
  5. Step 5: Solve for x
    x = 15,679,758.38/3,668.48
  6. Step 6: Final answer
    x = 4,274.18

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1.5x scale

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.