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Finding the Fourth Proportional to 12,595.84, 17,380.42 and 7,558.99

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Solution

The fourth proportional to 12,595.84, 17,380.42 and 7,558.99 is: 10,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,595.84 : 17,380.42 = 7,558.99 : x
  2. Step 2: Convert to fraction form
    12,595.84/17,380.42 = 7,558.99/x
  3. Step 3: Cross multiply
    12,595.84x = 17,380.42 × 7,558.99
  4. Step 4: Simplify right side
    12,595.84x = 131,378,420.98
  5. Step 5: Solve for x
    x = 131,378,420.98/12,595.84
  6. Step 6: Final answer
    x = 10,430.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.