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Finding the Fourth Proportional to 46,998.72, 64,860.84 and 27,879.84

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Solution

The fourth proportional to 46,998.72, 64,860.84 and 27,879.84 is: 38,475.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,998.72 : 64,860.84 = 27,879.84 : x
  2. Step 2: Convert to fraction form
    46,998.72/64,860.84 = 27,879.84/x
  3. Step 3: Cross multiply
    46,998.72x = 64,860.84 × 27,879.84
  4. Step 4: Simplify right side
    46,998.72x = 1,808,309,841.47
  5. Step 5: Solve for x
    x = 1,808,309,841.47/46,998.72
  6. Step 6: Final answer
    x = 38,475.73

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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.