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Finding the Fourth Proportional to 70,321.70, 97,040.19 and 38,484.44

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Solution

The fourth proportional to 70,321.70, 97,040.19 and 38,484.44 is: 53,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,321.70 : 97,040.19 = 38,484.44 : x
  2. Step 2: Convert to fraction form
    70,321.70/97,040.19 = 38,484.44/x
  3. Step 3: Cross multiply
    70,321.70x = 97,040.19 × 38,484.44
  4. Step 4: Simplify right side
    70,321.70x = 3,734,537,369.64
  5. Step 5: Solve for x
    x = 3,734,537,369.64/70,321.70
  6. Step 6: Final answer
    x = 53,106.47

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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.