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Finding the Fourth Proportional to 34,570.80, 51,870.60 and 17,040.78

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Solution

The fourth proportional to 34,570.80, 51,870.60 and 17,040.78 is: 25,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,570.80 : 51,870.60 = 17,040.78 : x
  2. Step 2: Convert to fraction form
    34,570.80/51,870.60 = 17,040.78/x
  3. Step 3: Cross multiply
    34,570.80x = 51,870.60 × 17,040.78
  4. Step 4: Simplify right side
    34,570.80x = 883,915,483.07
  5. Step 5: Solve for x
    x = 883,915,483.07/34,570.80
  6. Step 6: Final answer
    x = 25,568.27

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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.