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Finding the Fourth Proportional to 40,671.59, 60,927.93 and 28,019.11

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Solution

The fourth proportional to 40,671.59, 60,927.93 and 28,019.11 is: 41,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,671.59 : 60,927.93 = 28,019.11 : x
  2. Step 2: Convert to fraction form
    40,671.59/60,927.93 = 28,019.11/x
  3. Step 3: Cross multiply
    40,671.59x = 60,927.93 × 28,019.11
  4. Step 4: Simplify right side
    40,671.59x = 1,707,146,334.66
  5. Step 5: Solve for x
    x = 1,707,146,334.66/40,671.59
  6. Step 6: Final answer
    x = 41,973.93

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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.