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Finding the Fourth Proportional to 22,990.98, 34,482.96 and 10,980.06

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Solution

The fourth proportional to 22,990.98, 34,482.96 and 10,980.06 is: 16,468.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.98 : 34,482.96 = 10,980.06 : x
  2. Step 2: Convert to fraction form
    22,990.98/34,482.96 = 10,980.06/x
  3. Step 3: Cross multiply
    22,990.98x = 34,482.96 × 10,980.06
  4. Step 4: Simplify right side
    22,990.98x = 378,624,969.78
  5. Step 5: Solve for x
    x = 378,624,969.78/22,990.98
  6. Step 6: Final answer
    x = 16,468.41

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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.