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Finding the Fourth Proportional to 12,358.92, 17,054.37 and 7,053.02

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Solution

The fourth proportional to 12,358.92, 17,054.37 and 7,053.02 is: 9,732.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.92 : 17,054.37 = 7,053.02 : x
  2. Step 2: Convert to fraction form
    12,358.92/17,054.37 = 7,053.02/x
  3. Step 3: Cross multiply
    12,358.92x = 17,054.37 × 7,053.02
  4. Step 4: Simplify right side
    12,358.92x = 120,284,727.43
  5. Step 5: Solve for x
    x = 120,284,727.43/12,358.92
  6. Step 6: Final answer
    x = 9,732.62

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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.