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Finding the Fourth Proportional to 70,902.98, 97,846.76 and 39,073.01

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Solution

The fourth proportional to 70,902.98, 97,846.76 and 39,073.01 is: 53,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,902.98 : 97,846.76 = 39,073.01 : x
  2. Step 2: Convert to fraction form
    70,902.98/97,846.76 = 39,073.01/x
  3. Step 3: Cross multiply
    70,902.98x = 97,846.76 × 39,073.01
  4. Step 4: Simplify right side
    70,902.98x = 3,823,166,747.35
  5. Step 5: Solve for x
    x = 3,823,166,747.35/70,902.98
  6. Step 6: Final answer
    x = 53,921.10

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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.