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Finding the Fourth Proportional to 14,391, 21,586.50 and 4,003.02

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Solution

The fourth proportional to 14,391, 21,586.50 and 4,003.02 is: 6,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391 : 21,586.50 = 4,003.02 : x
  2. Step 2: Convert to fraction form
    14,391/21,586.50 = 4,003.02/x
  3. Step 3: Cross multiply
    14,391x = 21,586.50 × 4,003.02
  4. Step 4: Simplify right side
    14,391x = 86,411,191.23
  5. Step 5: Solve for x
    x = 86,411,191.23/14,391
  6. Step 6: Final answer
    x = 6,004.53

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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.