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Finding the Fourth Proportional to 11,335, 17,003.48 and 3,127

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Solution

The fourth proportional to 11,335, 17,003.48 and 3,127 is: 4,690.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335 : 17,003.48 = 3,127 : x
  2. Step 2: Convert to fraction form
    11,335/17,003.48 = 3,127/x
  3. Step 3: Cross multiply
    11,335x = 17,003.48 × 3,127
  4. Step 4: Simplify right side
    11,335x = 53,169,881.96
  5. Step 5: Solve for x
    x = 53,169,881.96/11,335
  6. Step 6: Final answer
    x = 4,690.77

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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.