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Finding the Fourth Proportional to 70,450.70, 97,315.12 and 52,514.54

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Solution

The fourth proportional to 70,450.70, 97,315.12 and 52,514.54 is: 72,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.70 : 97,315.12 = 52,514.54 : x
  2. Step 2: Convert to fraction form
    70,450.70/97,315.12 = 52,514.54/x
  3. Step 3: Cross multiply
    70,450.70x = 97,315.12 × 52,514.54
  4. Step 4: Simplify right side
    70,450.70x = 5,110,458,761.84
  5. Step 5: Solve for x
    x = 5,110,458,761.84/70,450.70
  6. Step 6: Final answer
    x = 72,539.50

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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.