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Finding the Fourth Proportional to 17,980.61, 24,813.58 and 10,021.99

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Solution

The fourth proportional to 17,980.61, 24,813.58 and 10,021.99 is: 13,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,980.61 : 24,813.58 = 10,021.99 : x
  2. Step 2: Convert to fraction form
    17,980.61/24,813.58 = 10,021.99/x
  3. Step 3: Cross multiply
    17,980.61x = 24,813.58 × 10,021.99
  4. Step 4: Simplify right side
    17,980.61x = 248,681,450.62
  5. Step 5: Solve for x
    x = 248,681,450.62/17,980.61
  6. Step 6: Final answer
    x = 13,830.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.