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Finding the Fourth Proportional to 7,153.77, 10,732.47 and 2,223.45

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Solution

The fourth proportional to 7,153.77, 10,732.47 and 2,223.45 is: 3,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.77 : 10,732.47 = 2,223.45 : x
  2. Step 2: Convert to fraction form
    7,153.77/10,732.47 = 2,223.45/x
  3. Step 3: Cross multiply
    7,153.77x = 10,732.47 × 2,223.45
  4. Step 4: Simplify right side
    7,153.77x = 23,863,120.84
  5. Step 5: Solve for x
    x = 23,863,120.84/7,153.77
  6. Step 6: Final answer
    x = 3,335.74

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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.