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Finding the Fourth Proportional to 7,315.48, 10,973.22 and 4,026.88

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Solution

The fourth proportional to 7,315.48, 10,973.22 and 4,026.88 is: 6,040.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,315.48 : 10,973.22 = 4,026.88 : x
  2. Step 2: Convert to fraction form
    7,315.48/10,973.22 = 4,026.88/x
  3. Step 3: Cross multiply
    7,315.48x = 10,973.22 × 4,026.88
  4. Step 4: Simplify right side
    7,315.48x = 44,187,840.15
  5. Step 5: Solve for x
    x = 44,187,840.15/7,315.48
  6. Step 6: Final answer
    x = 6,040.32

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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.