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Finding the Fourth Proportional to 57,657.71, 86,495.81 and 24,378.12

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Solution

The fourth proportional to 57,657.71, 86,495.81 and 24,378.12 is: 36,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.71 : 86,495.81 = 24,378.12 : x
  2. Step 2: Convert to fraction form
    57,657.71/86,495.81 = 24,378.12/x
  3. Step 3: Cross multiply
    57,657.71x = 86,495.81 × 24,378.12
  4. Step 4: Simplify right side
    57,657.71x = 2,108,605,113.79
  5. Step 5: Solve for x
    x = 2,108,605,113.79/57,657.71
  6. Step 6: Final answer
    x = 36,571.09

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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.