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Finding the Fourth Proportional to 6,151.40, 8,488.62 and 3,498.62

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Solution

The fourth proportional to 6,151.40, 8,488.62 and 3,498.62 is: 4,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.40 : 8,488.62 = 3,498.62 : x
  2. Step 2: Convert to fraction form
    6,151.40/8,488.62 = 3,498.62/x
  3. Step 3: Cross multiply
    6,151.40x = 8,488.62 × 3,498.62
  4. Step 4: Simplify right side
    6,151.40x = 29,698,455.70
  5. Step 5: Solve for x
    x = 29,698,455.70/6,151.40
  6. Step 6: Final answer
    x = 4,827.92

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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.