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Finding the Fourth Proportional to 6,281.73, 8,659.53 and 4,787.06

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Solution

The fourth proportional to 6,281.73, 8,659.53 and 4,787.06 is: 6,599.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.73 : 8,659.53 = 4,787.06 : x
  2. Step 2: Convert to fraction form
    6,281.73/8,659.53 = 4,787.06/x
  3. Step 3: Cross multiply
    6,281.73x = 8,659.53 × 4,787.06
  4. Step 4: Simplify right side
    6,281.73x = 41,453,646.38
  5. Step 5: Solve for x
    x = 41,453,646.38/6,281.73
  6. Step 6: Final answer
    x = 6,599.08

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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.