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Finding the Fourth Proportional to 7,009.74, 10,512.72 and 2,624.40

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Solution

The fourth proportional to 7,009.74, 10,512.72 and 2,624.40 is: 3,935.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.74 : 10,512.72 = 2,624.40 : x
  2. Step 2: Convert to fraction form
    7,009.74/10,512.72 = 2,624.40/x
  3. Step 3: Cross multiply
    7,009.74x = 10,512.72 × 2,624.40
  4. Step 4: Simplify right side
    7,009.74x = 27,589,582.37
  5. Step 5: Solve for x
    x = 27,589,582.37/7,009.74
  6. Step 6: Final answer
    x = 3,935.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.