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Finding the Fourth Proportional to 12,358.48, 17,054.62 and 7,053

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Solution

The fourth proportional to 12,358.48, 17,054.62 and 7,053 is: 9,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,358.48 : 17,054.62 = 7,053 : x
  2. Step 2: Convert to fraction form
    12,358.48/17,054.62 = 7,053/x
  3. Step 3: Cross multiply
    12,358.48x = 17,054.62 × 7,053
  4. Step 4: Simplify right side
    12,358.48x = 120,286,234.86
  5. Step 5: Solve for x
    x = 120,286,234.86/12,358.48
  6. Step 6: Final answer
    x = 9,733.09

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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.