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Finding the Fourth Proportional to 4,485.67, 6,718.07 and 4,329.94

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Solution

The fourth proportional to 4,485.67, 6,718.07 and 4,329.94 is: 6,484.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.67 : 6,718.07 = 4,329.94 : x
  2. Step 2: Convert to fraction form
    4,485.67/6,718.07 = 4,329.94/x
  3. Step 3: Cross multiply
    4,485.67x = 6,718.07 × 4,329.94
  4. Step 4: Simplify right side
    4,485.67x = 29,088,840.02
  5. Step 5: Solve for x
    x = 29,088,840.02/4,485.67
  6. Step 6: Final answer
    x = 6,484.84

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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.