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Finding the Fourth Proportional to 9,063.68, 12,507.90 and 5,084.79

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Solution

The fourth proportional to 9,063.68, 12,507.90 and 5,084.79 is: 7,017.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,063.68 : 12,507.90 = 5,084.79 : x
  2. Step 2: Convert to fraction form
    9,063.68/12,507.90 = 5,084.79/x
  3. Step 3: Cross multiply
    9,063.68x = 12,507.90 × 5,084.79
  4. Step 4: Simplify right side
    9,063.68x = 63,600,044.84
  5. Step 5: Solve for x
    x = 63,600,044.84/9,063.68
  6. Step 6: Final answer
    x = 7,017.03

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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.