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Finding the Fourth Proportional to 17,503.75, 26,239.01 and 6,980.23

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Solution

The fourth proportional to 17,503.75, 26,239.01 and 6,980.23 is: 10,463.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.75 : 26,239.01 = 6,980.23 : x
  2. Step 2: Convert to fraction form
    17,503.75/26,239.01 = 6,980.23/x
  3. Step 3: Cross multiply
    17,503.75x = 26,239.01 × 6,980.23
  4. Step 4: Simplify right side
    17,503.75x = 183,154,158.68
  5. Step 5: Solve for x
    x = 183,154,158.68/17,503.75
  6. Step 6: Final answer
    x = 10,463.71

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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.