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Finding the Fourth Proportional to 59,289.51, 88,912.84 and 19,837.40

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Solution

The fourth proportional to 59,289.51, 88,912.84 and 19,837.40 is: 29,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,289.51 : 88,912.84 = 19,837.40 : x
  2. Step 2: Convert to fraction form
    59,289.51/88,912.84 = 19,837.40/x
  3. Step 3: Cross multiply
    59,289.51x = 88,912.84 × 19,837.40
  4. Step 4: Simplify right side
    59,289.51x = 1,763,799,028.46
  5. Step 5: Solve for x
    x = 1,763,799,028.46/59,289.51
  6. Step 6: Final answer
    x = 29,748.92

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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.