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Finding the Fourth Proportional to 54,888.28, 82,332.48 and 13,335.28

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Solution

The fourth proportional to 54,888.28, 82,332.48 and 13,335.28 is: 20,002.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,888.28 : 82,332.48 = 13,335.28 : x
  2. Step 2: Convert to fraction form
    54,888.28/82,332.48 = 13,335.28/x
  3. Step 3: Cross multiply
    54,888.28x = 82,332.48 × 13,335.28
  4. Step 4: Simplify right side
    54,888.28x = 1,097,926,673.89
  5. Step 5: Solve for x
    x = 1,097,926,673.89/54,888.28
  6. Step 6: Final answer
    x = 20,002.93

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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.