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Finding the Fourth Proportional to 13,697.94, 20,554.74 and 5,799.90

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Solution

The fourth proportional to 13,697.94, 20,554.74 and 5,799.90 is: 8,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.94 : 20,554.74 = 5,799.90 : x
  2. Step 2: Convert to fraction form
    13,697.94/20,554.74 = 5,799.90/x
  3. Step 3: Cross multiply
    13,697.94x = 20,554.74 × 5,799.90
  4. Step 4: Simplify right side
    13,697.94x = 119,215,436.53
  5. Step 5: Solve for x
    x = 119,215,436.53/13,697.94
  6. Step 6: Final answer
    x = 8,703.17

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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.