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Finding the Fourth Proportional to 71,402.62, 98,538.24 and 43,102.84

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Solution

The fourth proportional to 71,402.62, 98,538.24 and 43,102.84 is: 59,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,402.62 : 98,538.24 = 43,102.84 : x
  2. Step 2: Convert to fraction form
    71,402.62/98,538.24 = 43,102.84/x
  3. Step 3: Cross multiply
    71,402.62x = 98,538.24 × 43,102.84
  4. Step 4: Simplify right side
    71,402.62x = 4,247,277,992.60
  5. Step 5: Solve for x
    x = 4,247,277,992.60/71,402.62
  6. Step 6: Final answer
    x = 59,483.50

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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.