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Finding the Fourth Proportional to 59,093.40, 88,620.90 and 19,643.80

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Solution

The fourth proportional to 59,093.40, 88,620.90 and 19,643.80 is: 29,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,093.40 : 88,620.90 = 19,643.80 : x
  2. Step 2: Convert to fraction form
    59,093.40/88,620.90 = 19,643.80/x
  3. Step 3: Cross multiply
    59,093.40x = 88,620.90 × 19,643.80
  4. Step 4: Simplify right side
    59,093.40x = 1,740,851,235.42
  5. Step 5: Solve for x
    x = 1,740,851,235.42/59,093.40
  6. Step 6: Final answer
    x = 29,459.32

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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.