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Finding the Fourth Proportional to 49,866.96, 68,809.58 and 28,646.22

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Solution

The fourth proportional to 49,866.96, 68,809.58 and 28,646.22 is: 39,527.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.96 : 68,809.58 = 28,646.22 : x
  2. Step 2: Convert to fraction form
    49,866.96/68,809.58 = 28,646.22/x
  3. Step 3: Cross multiply
    49,866.96x = 68,809.58 × 28,646.22
  4. Step 4: Simplify right side
    49,866.96x = 1,971,134,438.40
  5. Step 5: Solve for x
    x = 1,971,134,438.40/49,866.96
  6. Step 6: Final answer
    x = 39,527.86

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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.