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Finding the Fourth Proportional to 14,035, 21,045.44 and 4,671.72

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Solution

The fourth proportional to 14,035, 21,045.44 and 4,671.72 is: 7,005.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035 : 21,045.44 = 4,671.72 : x
  2. Step 2: Convert to fraction form
    14,035/21,045.44 = 4,671.72/x
  3. Step 3: Cross multiply
    14,035x = 21,045.44 × 4,671.72
  4. Step 4: Simplify right side
    14,035x = 98,318,402.96
  5. Step 5: Solve for x
    x = 98,318,402.96/14,035
  6. Step 6: Final answer
    x = 7,005.23

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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.