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Finding the Fourth Proportional to 9,053.14, 12,495.09 and 5,903.86

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Solution

The fourth proportional to 9,053.14, 12,495.09 and 5,903.86 is: 8,148.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,053.14 : 12,495.09 = 5,903.86 : x
  2. Step 2: Convert to fraction form
    9,053.14/12,495.09 = 5,903.86/x
  3. Step 3: Cross multiply
    9,053.14x = 12,495.09 × 5,903.86
  4. Step 4: Simplify right side
    9,053.14x = 73,769,262.05
  5. Step 5: Solve for x
    x = 73,769,262.05/9,053.14
  6. Step 6: Final answer
    x = 8,148.47

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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.