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Finding the Fourth Proportional to 69,645.01, 96,109.12 and 37,815.13

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Solution

The fourth proportional to 69,645.01, 96,109.12 and 37,815.13 is: 52,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,645.01 : 96,109.12 = 37,815.13 : x
  2. Step 2: Convert to fraction form
    69,645.01/96,109.12 = 37,815.13/x
  3. Step 3: Cross multiply
    69,645.01x = 96,109.12 × 37,815.13
  4. Step 4: Simplify right side
    69,645.01x = 3,634,378,866.99
  5. Step 5: Solve for x
    x = 3,634,378,866.99/69,645.01
  6. Step 6: Final answer
    x = 52,184.34

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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.