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Finding the Fourth Proportional to 8,400.72, 12,597.54 and 2,556

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Solution

The fourth proportional to 8,400.72, 12,597.54 and 2,556 is: 3,832.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.72 : 12,597.54 = 2,556 : x
  2. Step 2: Convert to fraction form
    8,400.72/12,597.54 = 2,556/x
  3. Step 3: Cross multiply
    8,400.72x = 12,597.54 × 2,556
  4. Step 4: Simplify right side
    8,400.72x = 32,199,312.24
  5. Step 5: Solve for x
    x = 32,199,312.24/8,400.72
  6. Step 6: Final answer
    x = 3,832.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.