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Finding the Fourth Proportional to 6,152.56, 8,490.48 and 3,358

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Solution

The fourth proportional to 6,152.56, 8,490.48 and 3,358 is: 4,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.56 : 8,490.48 = 3,358 : x
  2. Step 2: Convert to fraction form
    6,152.56/8,490.48 = 3,358/x
  3. Step 3: Cross multiply
    6,152.56x = 8,490.48 × 3,358
  4. Step 4: Simplify right side
    6,152.56x = 28,511,031.84
  5. Step 5: Solve for x
    x = 28,511,031.84/6,152.56
  6. Step 6: Final answer
    x = 4,634.01

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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.