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Finding the Fourth Proportional to 9,992.82, 14,965.91 and 7,898.77

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Solution

The fourth proportional to 9,992.82, 14,965.91 and 7,898.77 is: 11,829.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.82 : 14,965.91 = 7,898.77 : x
  2. Step 2: Convert to fraction form
    9,992.82/14,965.91 = 7,898.77/x
  3. Step 3: Cross multiply
    9,992.82x = 14,965.91 × 7,898.77
  4. Step 4: Simplify right side
    9,992.82x = 118,212,280.93
  5. Step 5: Solve for x
    x = 118,212,280.93/9,992.82
  6. Step 6: Final answer
    x = 11,829.72

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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.