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Finding the Fourth Proportional to 6,798.50, 10,197.76 and 1,868.18

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Solution

The fourth proportional to 6,798.50, 10,197.76 and 1,868.18 is: 2,802.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,798.50 : 10,197.76 = 1,868.18 : x
  2. Step 2: Convert to fraction form
    6,798.50/10,197.76 = 1,868.18/x
  3. Step 3: Cross multiply
    6,798.50x = 10,197.76 × 1,868.18
  4. Step 4: Simplify right side
    6,798.50x = 19,051,251.28
  5. Step 5: Solve for x
    x = 19,051,251.28/6,798.50
  6. Step 6: Final answer
    x = 2,802.27

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Half scale
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Double scale
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Similar ratio
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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.