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Finding the Fourth Proportional to 70,599.40, 97,429.43 and 38,769.03

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Solution

The fourth proportional to 70,599.40, 97,429.43 and 38,769.03 is: 53,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,599.40 : 97,429.43 = 38,769.03 : x
  2. Step 2: Convert to fraction form
    70,599.40/97,429.43 = 38,769.03/x
  3. Step 3: Cross multiply
    70,599.40x = 97,429.43 × 38,769.03
  4. Step 4: Simplify right side
    70,599.40x = 3,777,244,591.48
  5. Step 5: Solve for x
    x = 3,777,244,591.48/70,599.40
  6. Step 6: Final answer
    x = 53,502.50

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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.