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Finding the Fourth Proportional to 7,014.92, 9,678.83 and 4,750.43

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Solution

The fourth proportional to 7,014.92, 9,678.83 and 4,750.43 is: 6,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,014.92 : 9,678.83 = 4,750.43 : x
  2. Step 2: Convert to fraction form
    7,014.92/9,678.83 = 4,750.43/x
  3. Step 3: Cross multiply
    7,014.92x = 9,678.83 × 4,750.43
  4. Step 4: Simplify right side
    7,014.92x = 45,978,532.25
  5. Step 5: Solve for x
    x = 45,978,532.25/7,014.92
  6. Step 6: Final answer
    x = 6,554.40

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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.