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Finding the Fourth Proportional to 59,323.50, 88,985.26 and 19,880.70

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Solution

The fourth proportional to 59,323.50, 88,985.26 and 19,880.70 is: 29,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,323.50 : 88,985.26 = 19,880.70 : x
  2. Step 2: Convert to fraction form
    59,323.50/88,985.26 = 19,880.70/x
  3. Step 3: Cross multiply
    59,323.50x = 88,985.26 × 19,880.70
  4. Step 4: Simplify right side
    59,323.50x = 1,769,089,258.48
  5. Step 5: Solve for x
    x = 1,769,089,258.48/59,323.50
  6. Step 6: Final answer
    x = 29,821.05

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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.