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Finding the Fourth Proportional to 70,995.55, 97,970.56 and 40,759.59

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Solution

The fourth proportional to 70,995.55, 97,970.56 and 40,759.59 is: 56,246.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.55 : 97,970.56 = 40,759.59 : x
  2. Step 2: Convert to fraction form
    70,995.55/97,970.56 = 40,759.59/x
  3. Step 3: Cross multiply
    70,995.55x = 97,970.56 × 40,759.59
  4. Step 4: Simplify right side
    70,995.55x = 3,993,239,755.77
  5. Step 5: Solve for x
    x = 3,993,239,755.77/70,995.55
  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.