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Finding the Fourth Proportional to 8,927.99, 13,313.31 and 8,847.95

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Solution

The fourth proportional to 8,927.99, 13,313.31 and 8,847.95 is: 13,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,927.99 : 13,313.31 = 8,847.95 : x
  2. Step 2: Convert to fraction form
    8,927.99/13,313.31 = 8,847.95/x
  3. Step 3: Cross multiply
    8,927.99x = 13,313.31 × 8,847.95
  4. Step 4: Simplify right side
    8,927.99x = 117,795,554.21
  5. Step 5: Solve for x
    x = 117,795,554.21/8,927.99
  6. Step 6: Final answer
    x = 13,193.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.