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Finding the Fourth Proportional to 4,668.50, 7,002.76 and 1,205.76

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Solution

The fourth proportional to 4,668.50, 7,002.76 and 1,205.76 is: 1,808.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,668.50 : 7,002.76 = 1,205.76 : x
  2. Step 2: Convert to fraction form
    4,668.50/7,002.76 = 1,205.76/x
  3. Step 3: Cross multiply
    4,668.50x = 7,002.76 × 1,205.76
  4. Step 4: Simplify right side
    4,668.50x = 8,443,647.90
  5. Step 5: Solve for x
    x = 8,443,647.90/4,668.50
  6. Step 6: Final answer
    x = 1,808.64

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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.