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Finding the Fourth Proportional to 6,073.94, 8,382 and 3,421.22

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Solution

The fourth proportional to 6,073.94, 8,382 and 3,421.22 is: 4,721.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,073.94 : 8,382 = 3,421.22 : x
  2. Step 2: Convert to fraction form
    6,073.94/8,382 = 3,421.22/x
  3. Step 3: Cross multiply
    6,073.94x = 8,382 × 3,421.22
  4. Step 4: Simplify right side
    6,073.94x = 28,676,666.04
  5. Step 5: Solve for x
    x = 28,676,666.04/6,073.94
  6. Step 6: Final answer
    x = 4,721.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.