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Finding the Fourth Proportional to 6,254.64, 8,631.28 and 3,460.14

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Solution

The fourth proportional to 6,254.64, 8,631.28 and 3,460.14 is: 4,774.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,254.64 : 8,631.28 = 3,460.14 : x
  2. Step 2: Convert to fraction form
    6,254.64/8,631.28 = 3,460.14/x
  3. Step 3: Cross multiply
    6,254.64x = 8,631.28 × 3,460.14
  4. Step 4: Simplify right side
    6,254.64x = 29,865,437.18
  5. Step 5: Solve for x
    x = 29,865,437.18/6,254.64
  6. Step 6: Final answer
    x = 4,774.93

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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.