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Finding the Fourth Proportional to 40,707.88, 61,044.06 and 14,403.88

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Solution

The fourth proportional to 40,707.88, 61,044.06 and 14,403.88 is: 21,599.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,707.88 : 61,044.06 = 14,403.88 : x
  2. Step 2: Convert to fraction form
    40,707.88/61,044.06 = 14,403.88/x
  3. Step 3: Cross multiply
    40,707.88x = 61,044.06 × 14,403.88
  4. Step 4: Simplify right side
    40,707.88x = 879,271,314.95
  5. Step 5: Solve for x
    x = 879,271,314.95/40,707.88
  6. Step 6: Final answer
    x = 21,599.54

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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.