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Finding the Fourth Proportional to 55,848.80, 83,765.10 and 16,401.80

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Solution

The fourth proportional to 55,848.80, 83,765.10 and 16,401.80 is: 24,600.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,848.80 : 83,765.10 = 16,401.80 : x
  2. Step 2: Convert to fraction form
    55,848.80/83,765.10 = 16,401.80/x
  3. Step 3: Cross multiply
    55,848.80x = 83,765.10 × 16,401.80
  4. Step 4: Simplify right side
    55,848.80x = 1,373,898,417.18
  5. Step 5: Solve for x
    x = 1,373,898,417.18/55,848.80
  6. Step 6: Final answer
    x = 24,600.32

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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.