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Finding the Fourth Proportional to 55,568, 83,352 and 14,015

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Solution

The fourth proportional to 55,568, 83,352 and 14,015 is: 21,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,568 : 83,352 = 14,015 : x
  2. Step 2: Convert to fraction form
    55,568/83,352 = 14,015/x
  3. Step 3: Cross multiply
    55,568x = 83,352 × 14,015
  4. Step 4: Simplify right side
    55,568x = 1,168,178,280
  5. Step 5: Solve for x
    x = 1,168,178,280/55,568
  6. Step 6: Final answer
    x = 21,022.50

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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.