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Finding the Fourth Proportional to 11,384.93, 17,076.78 and 4,368.31

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Solution

The fourth proportional to 11,384.93, 17,076.78 and 4,368.31 is: 6,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,384.93 : 17,076.78 = 4,368.31 : x
  2. Step 2: Convert to fraction form
    11,384.93/17,076.78 = 4,368.31/x
  3. Step 3: Cross multiply
    11,384.93x = 17,076.78 × 4,368.31
  4. Step 4: Simplify right side
    11,384.93x = 74,596,626.15
  5. Step 5: Solve for x
    x = 74,596,626.15/11,384.93
  6. Step 6: Final answer
    x = 6,552.22

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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.