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Finding the Fourth Proportional to 68,401.52, 94,368.12 and 41,533.84

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Solution

The fourth proportional to 68,401.52, 94,368.12 and 41,533.84 is: 57,300.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.52 : 94,368.12 = 41,533.84 : x
  2. Step 2: Convert to fraction form
    68,401.52/94,368.12 = 41,533.84/x
  3. Step 3: Cross multiply
    68,401.52x = 94,368.12 × 41,533.84
  4. Step 4: Simplify right side
    68,401.52x = 3,919,470,397.18
  5. Step 5: Solve for x
    x = 3,919,470,397.18/68,401.52
  6. Step 6: Final answer
    x = 57,300.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.