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Finding the Fourth Proportional to 70,809.19, 97,682.52 and 43,982.89

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Solution

The fourth proportional to 70,809.19, 97,682.52 and 43,982.89 is: 60,675.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,809.19 : 97,682.52 = 43,982.89 : x
  2. Step 2: Convert to fraction form
    70,809.19/97,682.52 = 43,982.89/x
  3. Step 3: Cross multiply
    70,809.19x = 97,682.52 × 43,982.89
  4. Step 4: Simplify right side
    70,809.19x = 4,296,359,532.08
  5. Step 5: Solve for x
    x = 4,296,359,532.08/70,809.19
  6. Step 6: Final answer
    x = 60,675.17

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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.