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Finding the Fourth Proportional to 7,103.95, 10,653.21 and 2,359.22

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Solution

The fourth proportional to 7,103.95, 10,653.21 and 2,359.22 is: 3,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.95 : 10,653.21 = 2,359.22 : x
  2. Step 2: Convert to fraction form
    7,103.95/10,653.21 = 2,359.22/x
  3. Step 3: Cross multiply
    7,103.95x = 10,653.21 × 2,359.22
  4. Step 4: Simplify right side
    7,103.95x = 25,133,212.83
  5. Step 5: Solve for x
    x = 25,133,212.83/7,103.95
  6. Step 6: Final answer
    x = 3,537.92

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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.