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Finding the Fourth Proportional to 70,971.93, 97,937.96 and 40,735.98

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Solution

The fourth proportional to 70,971.93, 97,937.96 and 40,735.98 is: 56,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,971.93 : 97,937.96 = 40,735.98 : x
  2. Step 2: Convert to fraction form
    70,971.93/97,937.96 = 40,735.98/x
  3. Step 3: Cross multiply
    70,971.93x = 97,937.96 × 40,735.98
  4. Step 4: Simplify right side
    70,971.93x = 3,989,598,576.12
  5. Step 5: Solve for x
    x = 3,989,598,576.12/70,971.93
  6. Step 6: Final answer
    x = 56,213.75

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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.