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Finding the Fourth Proportional to 53,646.42, 80,469.62 and 28,610.62

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Solution

The fourth proportional to 53,646.42, 80,469.62 and 28,610.62 is: 42,915.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,646.42 : 80,469.62 = 28,610.62 : x
  2. Step 2: Convert to fraction form
    53,646.42/80,469.62 = 28,610.62/x
  3. Step 3: Cross multiply
    53,646.42x = 80,469.62 × 28,610.62
  4. Step 4: Simplify right side
    53,646.42x = 2,302,285,317.02
  5. Step 5: Solve for x
    x = 2,302,285,317.02/53,646.42
  6. Step 6: Final answer
    x = 42,915.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.