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Finding the Fourth Proportional to 44,007.80, 65,987.40 and 14,410.40

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Solution

The fourth proportional to 44,007.80, 65,987.40 and 14,410.40 is: 21,607.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,007.80 : 65,987.40 = 14,410.40 : x
  2. Step 2: Convert to fraction form
    44,007.80/65,987.40 = 14,410.40/x
  3. Step 3: Cross multiply
    44,007.80x = 65,987.40 × 14,410.40
  4. Step 4: Simplify right side
    44,007.80x = 950,904,828.96
  5. Step 5: Solve for x
    x = 950,904,828.96/44,007.80
  6. Step 6: Final answer
    x = 21,607.64

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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.