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Finding the Fourth Proportional to 83,776.86, 115,609.14 and 46,050.84

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Solution

The fourth proportional to 83,776.86, 115,609.14 and 46,050.84 is: 63,548.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,776.86 : 115,609.14 = 46,050.84 : x
  2. Step 2: Convert to fraction form
    83,776.86/115,609.14 = 46,050.84/x
  3. Step 3: Cross multiply
    83,776.86x = 115,609.14 × 46,050.84
  4. Step 4: Simplify right side
    83,776.86x = 5,323,898,008.68
  5. Step 5: Solve for x
    x = 5,323,898,008.68/83,776.86
  6. Step 6: Final answer
    x = 63,548.55

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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.