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Finding the Fourth Proportional to 49,893.53, 74,800.54 and 28,809.66

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Solution

The fourth proportional to 49,893.53, 74,800.54 and 28,809.66 is: 43,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,893.53 : 74,800.54 = 28,809.66 : x
  2. Step 2: Convert to fraction form
    49,893.53/74,800.54 = 28,809.66/x
  3. Step 3: Cross multiply
    49,893.53x = 74,800.54 × 28,809.66
  4. Step 4: Simplify right side
    49,893.53x = 2,154,978,125.22
  5. Step 5: Solve for x
    x = 2,154,978,125.22/49,893.53
  6. Step 6: Final answer
    x = 43,191.53

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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.