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Finding the Fourth Proportional to 70,995.54, 97,970.55 and 40,759.59

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Solution

The fourth proportional to 70,995.54, 97,970.55 and 40,759.59 is: 56,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.54 : 97,970.55 = 40,759.59 : x
  2. Step 2: Convert to fraction form
    70,995.54/97,970.55 = 40,759.59/x
  3. Step 3: Cross multiply
    70,995.54x = 97,970.55 × 40,759.59
  4. Step 4: Simplify right side
    70,995.54x = 3,993,239,450.07
  5. Step 5: Solve for x
    x = 3,993,239,450.07/70,995.54
  6. Step 6: Final answer
    x = 56,246.34

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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.