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Finding the Fourth Proportional to 17,597.21, 26,394.81 and 4,947.80

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Solution

The fourth proportional to 17,597.21, 26,394.81 and 4,947.80 is: 7,421.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,597.21 : 26,394.81 = 4,947.80 : x
  2. Step 2: Convert to fraction form
    17,597.21/26,394.81 = 4,947.80/x
  3. Step 3: Cross multiply
    17,597.21x = 26,394.81 × 4,947.80
  4. Step 4: Simplify right side
    17,597.21x = 130,596,108.94
  5. Step 5: Solve for x
    x = 130,596,108.94/17,597.21
  6. Step 6: Final answer
    x = 7,421.41

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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.