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Finding the Fourth Proportional to 70,995.46, 97,930.32 and 45,493.24

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Solution

The fourth proportional to 70,995.46, 97,930.32 and 45,493.24 is: 62,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,995.46 : 97,930.32 = 45,493.24 : x
  2. Step 2: Convert to fraction form
    70,995.46/97,930.32 = 45,493.24/x
  3. Step 3: Cross multiply
    70,995.46x = 97,930.32 × 45,493.24
  4. Step 4: Simplify right side
    70,995.46x = 4,455,167,551.04
  5. Step 5: Solve for x
    x = 4,455,167,551.04/70,995.46
  6. Step 6: Final answer
    x = 62,752.85

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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.