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Finding the Fourth Proportional to 70,017.94, 105,040.58 and 22,644.80

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Solution

The fourth proportional to 70,017.94, 105,040.58 and 22,644.80 is: 33,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,017.94 : 105,040.58 = 22,644.80 : x
  2. Step 2: Convert to fraction form
    70,017.94/105,040.58 = 22,644.80/x
  3. Step 3: Cross multiply
    70,017.94x = 105,040.58 × 22,644.80
  4. Step 4: Simplify right side
    70,017.94x = 2,378,622,925.98
  5. Step 5: Solve for x
    x = 2,378,622,925.98/70,017.94
  6. Step 6: Final answer
    x = 33,971.62

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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.