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Finding the Fourth Proportional to 59,697.73, 89,902.12 and 51,999.49

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Solution

The fourth proportional to 59,697.73, 89,902.12 and 51,999.49 is: 78,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,697.73 : 89,902.12 = 51,999.49 : x
  2. Step 2: Convert to fraction form
    59,697.73/89,902.12 = 51,999.49/x
  3. Step 3: Cross multiply
    59,697.73x = 89,902.12 × 51,999.49
  4. Step 4: Simplify right side
    59,697.73x = 4,674,864,389.92
  5. Step 5: Solve for x
    x = 4,674,864,389.92/59,697.73
  6. Step 6: Final answer
    x = 78,308.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.