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Finding the Fourth Proportional to 14,565, 21,845.64 and 4,703.25

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Solution

The fourth proportional to 14,565, 21,845.64 and 4,703.25 is: 7,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,565 : 21,845.64 = 4,703.25 : x
  2. Step 2: Convert to fraction form
    14,565/21,845.64 = 4,703.25/x
  3. Step 3: Cross multiply
    14,565x = 21,845.64 × 4,703.25
  4. Step 4: Simplify right side
    14,565x = 102,745,506.33
  5. Step 5: Solve for x
    x = 102,745,506.33/14,565
  6. Step 6: Final answer
    x = 7,054.27

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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.