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Finding the Fourth Proportional to 7,153.04, 9,874.56 and 4,796.72

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Solution

The fourth proportional to 7,153.04, 9,874.56 and 4,796.72 is: 6,621.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,153.04 : 9,874.56 = 4,796.72 : x
  2. Step 2: Convert to fraction form
    7,153.04/9,874.56 = 4,796.72/x
  3. Step 3: Cross multiply
    7,153.04x = 9,874.56 × 4,796.72
  4. Step 4: Simplify right side
    7,153.04x = 47,365,499.44
  5. Step 5: Solve for x
    x = 47,365,499.44/7,153.04
  6. Step 6: Final answer
    x = 6,621.73

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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.