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Finding the Fourth Proportional to 60,615.59, 90,799.43 and 49,410.86

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Solution

The fourth proportional to 60,615.59, 90,799.43 and 49,410.86 is: 74,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,615.59 : 90,799.43 = 49,410.86 : x
  2. Step 2: Convert to fraction form
    60,615.59/90,799.43 = 49,410.86/x
  3. Step 3: Cross multiply
    60,615.59x = 90,799.43 × 49,410.86
  4. Step 4: Simplify right side
    60,615.59x = 4,486,477,222.76
  5. Step 5: Solve for x
    x = 4,486,477,222.76/60,615.59
  6. Step 6: Final answer
    x = 74,015.24

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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.