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Finding the Fourth Proportional to 6,275.87, 8,662.51 and 5,025.63

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Solution

The fourth proportional to 6,275.87, 8,662.51 and 5,025.63 is: 6,936.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,275.87 : 8,662.51 = 5,025.63 : x
  2. Step 2: Convert to fraction form
    6,275.87/8,662.51 = 5,025.63/x
  3. Step 3: Cross multiply
    6,275.87x = 8,662.51 × 5,025.63
  4. Step 4: Simplify right side
    6,275.87x = 43,534,570.13
  5. Step 5: Solve for x
    x = 43,534,570.13/6,275.87
  6. Step 6: Final answer
    x = 6,936.82

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Half scale
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Double scale
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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.