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Finding the Fourth Proportional to 45,602.86, 68,300.40 and 37,270.42

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Solution

The fourth proportional to 45,602.86, 68,300.40 and 37,270.42 is: 55,820.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,602.86 : 68,300.40 = 37,270.42 : x
  2. Step 2: Convert to fraction form
    45,602.86/68,300.40 = 37,270.42/x
  3. Step 3: Cross multiply
    45,602.86x = 68,300.40 × 37,270.42
  4. Step 4: Simplify right side
    45,602.86x = 2,545,584,594.17
  5. Step 5: Solve for x
    x = 2,545,584,594.17/45,602.86
  6. Step 6: Final answer
    x = 55,820.72

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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.