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Finding the Fourth Proportional to 21,597.98, 32,394.84 and 7,555.41

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Solution

The fourth proportional to 21,597.98, 32,394.84 and 7,555.41 is: 11,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,597.98 : 32,394.84 = 7,555.41 : x
  2. Step 2: Convert to fraction form
    21,597.98/32,394.84 = 7,555.41/x
  3. Step 3: Cross multiply
    21,597.98x = 32,394.84 × 7,555.41
  4. Step 4: Simplify right side
    21,597.98x = 244,756,269.75
  5. Step 5: Solve for x
    x = 244,756,269.75/21,597.98
  6. Step 6: Final answer
    x = 11,332.37

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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.