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Finding the Fourth Proportional to 70,350.94, 97,084.29 and 38,519.92

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Solution

The fourth proportional to 70,350.94, 97,084.29 and 38,519.92 is: 53,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,350.94 : 97,084.29 = 38,519.92 : x
  2. Step 2: Convert to fraction form
    70,350.94/97,084.29 = 38,519.92/x
  3. Step 3: Cross multiply
    70,350.94x = 97,084.29 × 38,519.92
  4. Step 4: Simplify right side
    70,350.94x = 3,739,679,084.06
  5. Step 5: Solve for x
    x = 3,739,679,084.06/70,350.94
  6. Step 6: Final answer
    x = 53,157.49

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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.