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Finding the Fourth Proportional to 4,868.13, 7,292.58 and 3,219.68

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Solution

The fourth proportional to 4,868.13, 7,292.58 and 3,219.68 is: 4,823.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.13 : 7,292.58 = 3,219.68 : x
  2. Step 2: Convert to fraction form
    4,868.13/7,292.58 = 3,219.68/x
  3. Step 3: Cross multiply
    4,868.13x = 7,292.58 × 3,219.68
  4. Step 4: Simplify right side
    4,868.13x = 23,479,798.24
  5. Step 5: Solve for x
    x = 23,479,798.24/4,868.13
  6. Step 6: Final answer
    x = 4,823.16

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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.