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Finding the Fourth Proportional to 4,700.81, 7,051.82 and 1,579.47

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Solution

The fourth proportional to 4,700.81, 7,051.82 and 1,579.47 is: 2,369.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,700.81 : 7,051.82 = 1,579.47 : x
  2. Step 2: Convert to fraction form
    4,700.81/7,051.82 = 1,579.47/x
  3. Step 3: Cross multiply
    4,700.81x = 7,051.82 × 1,579.47
  4. Step 4: Simplify right side
    4,700.81x = 11,138,130.24
  5. Step 5: Solve for x
    x = 11,138,130.24/4,700.81
  6. Step 6: Final answer
    x = 2,369.41

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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.