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Finding the Fourth Proportional to 6,415.34, 8,848.10 and 4,625.51

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Solution

The fourth proportional to 6,415.34, 8,848.10 and 4,625.51 is: 6,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,415.34 : 8,848.10 = 4,625.51 : x
  2. Step 2: Convert to fraction form
    6,415.34/8,848.10 = 4,625.51/x
  3. Step 3: Cross multiply
    6,415.34x = 8,848.10 × 4,625.51
  4. Step 4: Simplify right side
    6,415.34x = 40,926,942.35
  5. Step 5: Solve for x
    x = 40,926,942.35/6,415.34
  6. Step 6: Final answer
    x = 6,379.55

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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.