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Finding the Fourth Proportional to 11,004.70, 16,507.05 and 7,246.30

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Solution

The fourth proportional to 11,004.70, 16,507.05 and 7,246.30 is: 10,869.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,004.70 : 16,507.05 = 7,246.30 : x
  2. Step 2: Convert to fraction form
    11,004.70/16,507.05 = 7,246.30/x
  3. Step 3: Cross multiply
    11,004.70x = 16,507.05 × 7,246.30
  4. Step 4: Simplify right side
    11,004.70x = 119,615,036.42
  5. Step 5: Solve for x
    x = 119,615,036.42/11,004.70
  6. Step 6: Final answer
    x = 10,869.45

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Similar ratio
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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.