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Finding the Fourth Proportional to 58,793.09, 88,191.30 and 14,419.80

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Solution

The fourth proportional to 58,793.09, 88,191.30 and 14,419.80 is: 21,630.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,793.09 : 88,191.30 = 14,419.80 : x
  2. Step 2: Convert to fraction form
    58,793.09/88,191.30 = 14,419.80/x
  3. Step 3: Cross multiply
    58,793.09x = 88,191.30 × 14,419.80
  4. Step 4: Simplify right side
    58,793.09x = 1,271,700,907.74
  5. Step 5: Solve for x
    x = 1,271,700,907.74/58,793.09
  6. Step 6: Final answer
    x = 21,630.11

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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.