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Finding the Fourth Proportional to 57,681.78, 86,538.60 and 24,384.30

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Solution

The fourth proportional to 57,681.78, 86,538.60 and 24,384.30 is: 36,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681.78 : 86,538.60 = 24,384.30 : x
  2. Step 2: Convert to fraction form
    57,681.78/86,538.60 = 24,384.30/x
  3. Step 3: Cross multiply
    57,681.78x = 86,538.60 × 24,384.30
  4. Step 4: Simplify right side
    57,681.78x = 2,110,183,183.98
  5. Step 5: Solve for x
    x = 2,110,183,183.98/57,681.78
  6. Step 6: Final answer
    x = 36,583.18

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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.