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Finding the Fourth Proportional to 19,208.84, 28,804.07 and 9,853.34

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Solution

The fourth proportional to 19,208.84, 28,804.07 and 9,853.34 is: 14,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.84 : 28,804.07 = 9,853.34 : x
  2. Step 2: Convert to fraction form
    19,208.84/28,804.07 = 9,853.34/x
  3. Step 3: Cross multiply
    19,208.84x = 28,804.07 × 9,853.34
  4. Step 4: Simplify right side
    19,208.84x = 283,816,175.71
  5. Step 5: Solve for x
    x = 283,816,175.71/19,208.84
  6. Step 6: Final answer
    x = 14,775.29

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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.