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Finding the Fourth Proportional to 4,668.56, 7,005.08 and 2,913.11

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Solution

The fourth proportional to 4,668.56, 7,005.08 and 2,913.11 is: 4,371.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.56 : 7,005.08 = 2,913.11 : x
  2. Step 2: Convert to fraction form
    4,668.56/7,005.08 = 2,913.11/x
  3. Step 3: Cross multiply
    4,668.56x = 7,005.08 × 2,913.11
  4. Step 4: Simplify right side
    4,668.56x = 20,406,519.01
  5. Step 5: Solve for x
    x = 20,406,519.01/4,668.56
  6. Step 6: Final answer
    x = 4,371.06

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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.