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Finding the Fourth Proportional to 66,598.84, 99,883.52 and 19,203.41

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Solution

The fourth proportional to 66,598.84, 99,883.52 and 19,203.41 is: 28,800.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,598.84 : 99,883.52 = 19,203.41 : x
  2. Step 2: Convert to fraction form
    66,598.84/99,883.52 = 19,203.41/x
  3. Step 3: Cross multiply
    66,598.84x = 99,883.52 × 19,203.41
  4. Step 4: Simplify right side
    66,598.84x = 1,918,104,186.80
  5. Step 5: Solve for x
    x = 1,918,104,186.80/66,598.84
  6. Step 6: Final answer
    x = 28,800.86

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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.