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Finding the Fourth Proportional to 69,646.98, 96,111.39 and 37,815.91

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Solution

The fourth proportional to 69,646.98, 96,111.39 and 37,815.91 is: 52,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,646.98 : 96,111.39 = 37,815.91 : x
  2. Step 2: Convert to fraction form
    69,646.98/96,111.39 = 37,815.91/x
  3. Step 3: Cross multiply
    69,646.98x = 96,111.39 × 37,815.91
  4. Step 4: Simplify right side
    69,646.98x = 3,634,539,674.21
  5. Step 5: Solve for x
    x = 3,634,539,674.21/69,646.98
  6. Step 6: Final answer
    x = 52,185.17

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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.