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Finding the Fourth Proportional to 4,608.89, 6,913.50 and 1,322.45

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Solution

The fourth proportional to 4,608.89, 6,913.50 and 1,322.45 is: 1,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.89 : 6,913.50 = 1,322.45 : x
  2. Step 2: Convert to fraction form
    4,608.89/6,913.50 = 1,322.45/x
  3. Step 3: Cross multiply
    4,608.89x = 6,913.50 × 1,322.45
  4. Step 4: Simplify right side
    4,608.89x = 9,142,758.08
  5. Step 5: Solve for x
    x = 9,142,758.08/4,608.89
  6. Step 6: Final answer
    x = 1,983.72

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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.