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Finding the Fourth Proportional to 69,645.76, 96,111.84 and 37,814.92

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Solution

The fourth proportional to 69,645.76, 96,111.84 and 37,814.92 is: 52,184.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645.76 : 96,111.84 = 37,814.92 : x
  2. Step 2: Convert to fraction form
    69,645.76/96,111.84 = 37,814.92/x
  3. Step 3: Cross multiply
    69,645.76x = 96,111.84 × 37,814.92
  4. Step 4: Simplify right side
    69,645.76x = 3,634,461,540.65
  5. Step 5: Solve for x
    x = 3,634,461,540.65/69,645.76
  6. Step 6: Final answer
    x = 52,184.96

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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.