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Finding the Fourth Proportional to 59,815.94, 89,564.33 and 47,361.38

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Solution

The fourth proportional to 59,815.94, 89,564.33 and 47,361.38 is: 70,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,815.94 : 89,564.33 = 47,361.38 : x
  2. Step 2: Convert to fraction form
    59,815.94/89,564.33 = 47,361.38/x
  3. Step 3: Cross multiply
    59,815.94x = 89,564.33 × 47,361.38
  4. Step 4: Simplify right side
    59,815.94x = 4,241,889,938.16
  5. Step 5: Solve for x
    x = 4,241,889,938.16/59,815.94
  6. Step 6: Final answer
    x = 70,915.72

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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.