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Finding the Fourth Proportional to 4,653.03, 6,979.59 and 1,143.03

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Solution

The fourth proportional to 4,653.03, 6,979.59 and 1,143.03 is: 1,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,653.03 : 6,979.59 = 1,143.03 : x
  2. Step 2: Convert to fraction form
    4,653.03/6,979.59 = 1,143.03/x
  3. Step 3: Cross multiply
    4,653.03x = 6,979.59 × 1,143.03
  4. Step 4: Simplify right side
    4,653.03x = 7,977,880.76
  5. Step 5: Solve for x
    x = 7,977,880.76/4,653.03
  6. Step 6: Final answer
    x = 1,714.56

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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.