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Finding the Fourth Proportional to 6,870.51, 10,291.23 and 3,573.63

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Solution

The fourth proportional to 6,870.51, 10,291.23 and 3,573.63 is: 5,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.51 : 10,291.23 = 3,573.63 : x
  2. Step 2: Convert to fraction form
    6,870.51/10,291.23 = 3,573.63/x
  3. Step 3: Cross multiply
    6,870.51x = 10,291.23 × 3,573.63
  4. Step 4: Simplify right side
    6,870.51x = 36,777,048.26
  5. Step 5: Solve for x
    x = 36,777,048.26/6,870.51
  6. Step 6: Final answer
    x = 5,352.88

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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.