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Finding the Fourth Proportional to 16,574.59, 24,870.99 and 7,809.28

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Solution

The fourth proportional to 16,574.59, 24,870.99 and 7,809.28 is: 11,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,574.59 : 24,870.99 = 7,809.28 : x
  2. Step 2: Convert to fraction form
    16,574.59/24,870.99 = 7,809.28/x
  3. Step 3: Cross multiply
    16,574.59x = 24,870.99 × 7,809.28
  4. Step 4: Simplify right side
    16,574.59x = 194,224,524.79
  5. Step 5: Solve for x
    x = 194,224,524.79/16,574.59
  6. Step 6: Final answer
    x = 11,718.21

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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.