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Finding the Fourth Proportional to 6,699.79, 9,245.96 and 5,018.23

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Solution

The fourth proportional to 6,699.79, 9,245.96 and 5,018.23 is: 6,925.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.79 : 9,245.96 = 5,018.23 : x
  2. Step 2: Convert to fraction form
    6,699.79/9,245.96 = 5,018.23/x
  3. Step 3: Cross multiply
    6,699.79x = 9,245.96 × 5,018.23
  4. Step 4: Simplify right side
    6,699.79x = 46,398,328.76
  5. Step 5: Solve for x
    x = 46,398,328.76/6,699.79
  6. Step 6: Final answer
    x = 6,925.34

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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.