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Finding the Fourth Proportional to 6,271.70, 8,658.14 and 4,852.17

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Solution

The fourth proportional to 6,271.70, 8,658.14 and 4,852.17 is: 6,698.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.70 : 8,658.14 = 4,852.17 : x
  2. Step 2: Convert to fraction form
    6,271.70/8,658.14 = 4,852.17/x
  3. Step 3: Cross multiply
    6,271.70x = 8,658.14 × 4,852.17
  4. Step 4: Simplify right side
    6,271.70x = 42,010,742.90
  5. Step 5: Solve for x
    x = 42,010,742.90/6,271.70
  6. Step 6: Final answer
    x = 6,698.47

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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.