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Finding the Fourth Proportional to 6,699.58, 10,055.58 and 3,415.14

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Solution

The fourth proportional to 6,699.58, 10,055.58 and 3,415.14 is: 5,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,699.58 : 10,055.58 = 3,415.14 : x
  2. Step 2: Convert to fraction form
    6,699.58/10,055.58 = 3,415.14/x
  3. Step 3: Cross multiply
    6,699.58x = 10,055.58 × 3,415.14
  4. Step 4: Simplify right side
    6,699.58x = 34,341,213.48
  5. Step 5: Solve for x
    x = 34,341,213.48/6,699.58
  6. Step 6: Final answer
    x = 5,125.88

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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.