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Finding the Fourth Proportional to 70,954.49, 97,815.44 and 55,820.88

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Solution

The fourth proportional to 70,954.49, 97,815.44 and 55,820.88 is: 76,952.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.49 : 97,815.44 = 55,820.88 : x
  2. Step 2: Convert to fraction form
    70,954.49/97,815.44 = 55,820.88/x
  3. Step 3: Cross multiply
    70,954.49x = 97,815.44 × 55,820.88
  4. Step 4: Simplify right side
    70,954.49x = 5,460,144,077.94
  5. Step 5: Solve for x
    x = 5,460,144,077.94/70,954.49
  6. Step 6: Final answer
    x = 76,952.76

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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.