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Finding the Fourth Proportional to 60,582.03, 90,871.74 and 16,208.78

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Solution

The fourth proportional to 60,582.03, 90,871.74 and 16,208.78 is: 24,312.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,582.03 : 90,871.74 = 16,208.78 : x
  2. Step 2: Convert to fraction form
    60,582.03/90,871.74 = 16,208.78/x
  3. Step 3: Cross multiply
    60,582.03x = 90,871.74 × 16,208.78
  4. Step 4: Simplify right side
    60,582.03x = 1,472,919,817.28
  5. Step 5: Solve for x
    x = 1,472,919,817.28/60,582.03
  6. Step 6: Final answer
    x = 24,312.82

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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.