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Finding the Fourth Proportional to 4,694.04, 7,036.14 and 1,919.64

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Solution

The fourth proportional to 4,694.04, 7,036.14 and 1,919.64 is: 2,877.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,694.04 : 7,036.14 = 1,919.64 : x
  2. Step 2: Convert to fraction form
    4,694.04/7,036.14 = 1,919.64/x
  3. Step 3: Cross multiply
    4,694.04x = 7,036.14 × 1,919.64
  4. Step 4: Simplify right side
    4,694.04x = 13,506,855.79
  5. Step 5: Solve for x
    x = 13,506,855.79/4,694.04
  6. Step 6: Final answer
    x = 2,877.45

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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.