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Finding the Fourth Proportional to 68,999.94, 103,425.53 and 33,386.04

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Solution

The fourth proportional to 68,999.94, 103,425.53 and 33,386.04 is: 50,043.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,999.94 : 103,425.53 = 33,386.04 : x
  2. Step 2: Convert to fraction form
    68,999.94/103,425.53 = 33,386.04/x
  3. Step 3: Cross multiply
    68,999.94x = 103,425.53 × 33,386.04
  4. Step 4: Simplify right side
    68,999.94x = 3,452,968,714.67
  5. Step 5: Solve for x
    x = 3,452,968,714.67/68,999.94
  6. Step 6: Final answer
    x = 50,043.07

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1.5x scale

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.