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Finding the Fourth Proportional to 6,140.01, 8,468.64 and 4,811.07

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Solution

The fourth proportional to 6,140.01, 8,468.64 and 4,811.07 is: 6,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.01 : 8,468.64 = 4,811.07 : x
  2. Step 2: Convert to fraction form
    6,140.01/8,468.64 = 4,811.07/x
  3. Step 3: Cross multiply
    6,140.01x = 8,468.64 × 4,811.07
  4. Step 4: Simplify right side
    6,140.01x = 40,743,219.84
  5. Step 5: Solve for x
    x = 40,743,219.84/6,140.01
  6. Step 6: Final answer
    x = 6,635.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.