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Finding the Fourth Proportional to 9,046.43, 12,475.72 and 6,208.79

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Solution

The fourth proportional to 9,046.43, 12,475.72 and 6,208.79 is: 8,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,046.43 : 12,475.72 = 6,208.79 : x
  2. Step 2: Convert to fraction form
    9,046.43/12,475.72 = 6,208.79/x
  3. Step 3: Cross multiply
    9,046.43x = 12,475.72 × 6,208.79
  4. Step 4: Simplify right side
    9,046.43x = 77,459,094.53
  5. Step 5: Solve for x
    x = 77,459,094.53/9,046.43
  6. Step 6: Final answer
    x = 8,562.40

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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.