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Finding the Fourth Proportional to 70,038.37, 105,033.41 and 22,641.32

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Solution

The fourth proportional to 70,038.37, 105,033.41 and 22,641.32 is: 33,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,038.37 : 105,033.41 = 22,641.32 : x
  2. Step 2: Convert to fraction form
    70,038.37/105,033.41 = 22,641.32/x
  3. Step 3: Cross multiply
    70,038.37x = 105,033.41 × 22,641.32
  4. Step 4: Simplify right side
    70,038.37x = 2,378,095,280.78
  5. Step 5: Solve for x
    x = 2,378,095,280.78/70,038.37
  6. Step 6: Final answer
    x = 33,954.18

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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.