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Finding the Fourth Proportional to 44,372, 66,560.16 and 13,207.52

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Solution

The fourth proportional to 44,372, 66,560.16 and 13,207.52 is: 19,811.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,372 : 66,560.16 = 13,207.52 : x
  2. Step 2: Convert to fraction form
    44,372/66,560.16 = 13,207.52/x
  3. Step 3: Cross multiply
    44,372x = 66,560.16 × 13,207.52
  4. Step 4: Simplify right side
    44,372x = 879,094,644.40
  5. Step 5: Solve for x
    x = 879,094,644.40/44,372
  6. Step 6: Final answer
    x = 19,811.92

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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.