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Finding the Fourth Proportional to 19,238.46, 28,804.54 and 9,858.28

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Solution

The fourth proportional to 19,238.46, 28,804.54 and 9,858.28 is: 14,760.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,238.46 : 28,804.54 = 9,858.28 : x
  2. Step 2: Convert to fraction form
    19,238.46/28,804.54 = 9,858.28/x
  3. Step 3: Cross multiply
    19,238.46x = 28,804.54 × 9,858.28
  4. Step 4: Simplify right side
    19,238.46x = 283,963,220.59
  5. Step 5: Solve for x
    x = 283,963,220.59/19,238.46
  6. Step 6: Final answer
    x = 14,760.18

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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.