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Finding the Fourth Proportional to 6,570.24, 9,855.98 and 1,890.24

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Solution

The fourth proportional to 6,570.24, 9,855.98 and 1,890.24 is: 2,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.24 : 9,855.98 = 1,890.24 : x
  2. Step 2: Convert to fraction form
    6,570.24/9,855.98 = 1,890.24/x
  3. Step 3: Cross multiply
    6,570.24x = 9,855.98 × 1,890.24
  4. Step 4: Simplify right side
    6,570.24x = 18,630,167.64
  5. Step 5: Solve for x
    x = 18,630,167.64/6,570.24
  6. Step 6: Final answer
    x = 2,835.54

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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.