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Finding the Fourth Proportional to 13,597.19, 20,397.95 and 5,806.07

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Solution

The fourth proportional to 13,597.19, 20,397.95 and 5,806.07 is: 8,710.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,597.19 : 20,397.95 = 5,806.07 : x
  2. Step 2: Convert to fraction form
    13,597.19/20,397.95 = 5,806.07/x
  3. Step 3: Cross multiply
    13,597.19x = 20,397.95 × 5,806.07
  4. Step 4: Simplify right side
    13,597.19x = 118,431,896.53
  5. Step 5: Solve for x
    x = 118,431,896.53/13,597.19
  6. Step 6: Final answer
    x = 8,710.03

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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.