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Finding the Fourth Proportional to 55,953.66, 83,938.68 and 16,505.64

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Solution

The fourth proportional to 55,953.66, 83,938.68 and 16,505.64 is: 24,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,953.66 : 83,938.68 = 16,505.64 : x
  2. Step 2: Convert to fraction form
    55,953.66/83,938.68 = 16,505.64/x
  3. Step 3: Cross multiply
    55,953.66x = 83,938.68 × 16,505.64
  4. Step 4: Simplify right side
    55,953.66x = 1,385,461,634.16
  5. Step 5: Solve for x
    x = 1,385,461,634.16/55,953.66
  6. Step 6: Final answer
    x = 24,760.88

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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.