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Finding the Fourth Proportional to 6,042.69, 8,334.69 and 4,253.90

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Solution

The fourth proportional to 6,042.69, 8,334.69 and 4,253.90 is: 5,867.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.69 : 8,334.69 = 4,253.90 : x
  2. Step 2: Convert to fraction form
    6,042.69/8,334.69 = 4,253.90/x
  3. Step 3: Cross multiply
    6,042.69x = 8,334.69 × 4,253.90
  4. Step 4: Simplify right side
    6,042.69x = 35,454,896.12
  5. Step 5: Solve for x
    x = 35,454,896.12/6,042.69
  6. Step 6: Final answer
    x = 5,867.40

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Half scale
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Double scale
Find fourth proportional to 6,043.69, 8,336.07 and 4,254.90
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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.