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Finding the Fourth Proportional to 5,582.97, 8,376.63 and 1,885.32

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Solution

The fourth proportional to 5,582.97, 8,376.63 and 1,885.32 is: 2,828.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.97 : 8,376.63 = 1,885.32 : x
  2. Step 2: Convert to fraction form
    5,582.97/8,376.63 = 1,885.32/x
  3. Step 3: Cross multiply
    5,582.97x = 8,376.63 × 1,885.32
  4. Step 4: Simplify right side
    5,582.97x = 15,792,628.07
  5. Step 5: Solve for x
    x = 15,792,628.07/5,582.97
  6. Step 6: Final answer
    x = 2,828.71

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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.