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Finding the Fourth Proportional to 59,259.36, 88,893.76 and 19,816.72

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Solution

The fourth proportional to 59,259.36, 88,893.76 and 19,816.72 is: 29,726.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,259.36 : 88,893.76 = 19,816.72 : x
  2. Step 2: Convert to fraction form
    59,259.36/88,893.76 = 19,816.72/x
  3. Step 3: Cross multiply
    59,259.36x = 88,893.76 × 19,816.72
  4. Step 4: Simplify right side
    59,259.36x = 1,761,582,751.67
  5. Step 5: Solve for x
    x = 1,761,582,751.67/59,259.36
  6. Step 6: Final answer
    x = 29,726.66

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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.