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Finding the Fourth Proportional to 66,852.84, 100,253.34 and 35,671.08

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Solution

The fourth proportional to 66,852.84, 100,253.34 and 35,671.08 is: 53,492.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,852.84 : 100,253.34 = 35,671.08 : x
  2. Step 2: Convert to fraction form
    66,852.84/100,253.34 = 35,671.08/x
  3. Step 3: Cross multiply
    66,852.84x = 100,253.34 × 35,671.08
  4. Step 4: Simplify right side
    66,852.84x = 3,576,144,911.41
  5. Step 5: Solve for x
    x = 3,576,144,911.41/66,852.84
  6. Step 6: Final answer
    x = 53,492.79

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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.