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Finding the Fourth Proportional to 51,463.68, 71,014.86 and 28,801.32

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Solution

The fourth proportional to 51,463.68, 71,014.86 and 28,801.32 is: 39,743.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,463.68 : 71,014.86 = 28,801.32 : x
  2. Step 2: Convert to fraction form
    51,463.68/71,014.86 = 28,801.32/x
  3. Step 3: Cross multiply
    51,463.68x = 71,014.86 × 28,801.32
  4. Step 4: Simplify right side
    51,463.68x = 2,045,321,707.62
  5. Step 5: Solve for x
    x = 2,045,321,707.62/51,463.68
  6. Step 6: Final answer
    x = 39,743.01

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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.