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Finding the Fourth Proportional to 70,795.99, 97,695.52 and 40,560.31

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Solution

The fourth proportional to 70,795.99, 97,695.52 and 40,560.31 is: 55,971.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,795.99 : 97,695.52 = 40,560.31 : x
  2. Step 2: Convert to fraction form
    70,795.99/97,695.52 = 40,560.31/x
  3. Step 3: Cross multiply
    70,795.99x = 97,695.52 × 40,560.31
  4. Step 4: Simplify right side
    70,795.99x = 3,962,560,597.53
  5. Step 5: Solve for x
    x = 3,962,560,597.53/70,795.99
  6. Step 6: Final answer
    x = 55,971.54

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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.