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Finding the Fourth Proportional to 63,083.40, 94,644.81 and 18,710.40

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Solution

The fourth proportional to 63,083.40, 94,644.81 and 18,710.40 is: 28,071.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,083.40 : 94,644.81 = 18,710.40 : x
  2. Step 2: Convert to fraction form
    63,083.40/94,644.81 = 18,710.40/x
  3. Step 3: Cross multiply
    63,083.40x = 94,644.81 × 18,710.40
  4. Step 4: Simplify right side
    63,083.40x = 1,770,842,253.02
  5. Step 5: Solve for x
    x = 1,770,842,253.02/63,083.40
  6. Step 6: Final answer
    x = 28,071.45

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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.