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Finding the Fourth Proportional to 16,674.80, 24,990.80 and 7,312.28

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Solution

The fourth proportional to 16,674.80, 24,990.80 and 7,312.28 is: 10,959.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,674.80 : 24,990.80 = 7,312.28 : x
  2. Step 2: Convert to fraction form
    16,674.80/24,990.80 = 7,312.28/x
  3. Step 3: Cross multiply
    16,674.80x = 24,990.80 × 7,312.28
  4. Step 4: Simplify right side
    16,674.80x = 182,739,565.51
  5. Step 5: Solve for x
    x = 182,739,565.51/16,674.80
  6. Step 6: Final answer
    x = 10,959.03

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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.