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Finding the Fourth Proportional to 6,809.40, 10,214.10 and 4,841.10

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Solution

The fourth proportional to 6,809.40, 10,214.10 and 4,841.10 is: 7,261.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.40 : 10,214.10 = 4,841.10 : x
  2. Step 2: Convert to fraction form
    6,809.40/10,214.10 = 4,841.10/x
  3. Step 3: Cross multiply
    6,809.40x = 10,214.10 × 4,841.10
  4. Step 4: Simplify right side
    6,809.40x = 49,447,479.51
  5. Step 5: Solve for x
    x = 49,447,479.51/6,809.40
  6. Step 6: Final answer
    x = 7,261.65

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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.