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Finding the Fourth Proportional to 72,935.96, 100,624.47 and 49,024.76

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Solution

The fourth proportional to 72,935.96, 100,624.47 and 49,024.76 is: 67,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,935.96 : 100,624.47 = 49,024.76 : x
  2. Step 2: Convert to fraction form
    72,935.96/100,624.47 = 49,024.76/x
  3. Step 3: Cross multiply
    72,935.96x = 100,624.47 × 49,024.76
  4. Step 4: Simplify right side
    72,935.96x = 4,933,089,988.75
  5. Step 5: Solve for x
    x = 4,933,089,988.75/72,935.96
  6. Step 6: Final answer
    x = 67,635.91

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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.