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Finding the Fourth Proportional to 42,059, 63,088.50 and 17,112.62

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Solution

The fourth proportional to 42,059, 63,088.50 and 17,112.62 is: 25,668.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,059 : 63,088.50 = 17,112.62 : x
  2. Step 2: Convert to fraction form
    42,059/63,088.50 = 17,112.62/x
  3. Step 3: Cross multiply
    42,059x = 63,088.50 × 17,112.62
  4. Step 4: Simplify right side
    42,059x = 1,079,609,526.87
  5. Step 5: Solve for x
    x = 1,079,609,526.87/42,059
  6. Step 6: Final answer
    x = 25,668.93

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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.