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Finding the Fourth Proportional to 44,242.61, 66,368.16 and 14,661

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Solution

The fourth proportional to 44,242.61, 66,368.16 and 14,661 is: 21,992.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,242.61 : 66,368.16 = 14,661 : x
  2. Step 2: Convert to fraction form
    44,242.61/66,368.16 = 14,661/x
  3. Step 3: Cross multiply
    44,242.61x = 66,368.16 × 14,661
  4. Step 4: Simplify right side
    44,242.61x = 973,023,593.76
  5. Step 5: Solve for x
    x = 973,023,593.76/44,242.61
  6. Step 6: Final answer
    x = 21,992.91

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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.