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Finding the Fourth Proportional to 5,303.61, 7,955.42 and 2,015.93

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Solution

The fourth proportional to 5,303.61, 7,955.42 and 2,015.93 is: 3,023.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.61 : 7,955.42 = 2,015.93 : x
  2. Step 2: Convert to fraction form
    5,303.61/7,955.42 = 2,015.93/x
  3. Step 3: Cross multiply
    5,303.61x = 7,955.42 × 2,015.93
  4. Step 4: Simplify right side
    5,303.61x = 16,037,579.65
  5. Step 5: Solve for x
    x = 16,037,579.65/5,303.61
  6. Step 6: Final answer
    x = 3,023.90

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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.