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Finding the Fourth Proportional to 60,585.98, 90,877.64 and 16,212.71

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Solution

The fourth proportional to 60,585.98, 90,877.64 and 16,212.71 is: 24,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,585.98 : 90,877.64 = 16,212.71 : x
  2. Step 2: Convert to fraction form
    60,585.98/90,877.64 = 16,212.71/x
  3. Step 3: Cross multiply
    60,585.98x = 90,877.64 × 16,212.71
  4. Step 4: Simplify right side
    60,585.98x = 1,473,372,968.93
  5. Step 5: Solve for x
    x = 1,473,372,968.93/60,585.98
  6. Step 6: Final answer
    x = 24,318.71

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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.