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Finding the Fourth Proportional to 5,948.71, 8,209.08 and 3,430.82

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Solution

The fourth proportional to 5,948.71, 8,209.08 and 3,430.82 is: 4,734.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,948.71 : 8,209.08 = 3,430.82 : x
  2. Step 2: Convert to fraction form
    5,948.71/8,209.08 = 3,430.82/x
  3. Step 3: Cross multiply
    5,948.71x = 8,209.08 × 3,430.82
  4. Step 4: Simplify right side
    5,948.71x = 28,163,896.37
  5. Step 5: Solve for x
    x = 28,163,896.37/5,948.71
  6. Step 6: Final answer
    x = 4,734.46

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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.