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Finding the Fourth Proportional to 55,868.66, 83,803.88 and 13,748.84

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Solution

The fourth proportional to 55,868.66, 83,803.88 and 13,748.84 is: 20,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,868.66 : 83,803.88 = 13,748.84 : x
  2. Step 2: Convert to fraction form
    55,868.66/83,803.88 = 13,748.84/x
  3. Step 3: Cross multiply
    55,868.66x = 83,803.88 × 13,748.84
  4. Step 4: Simplify right side
    55,868.66x = 1,152,206,137.50
  5. Step 5: Solve for x
    x = 1,152,206,137.50/55,868.66
  6. Step 6: Final answer
    x = 20,623.48

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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.