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Finding the Fourth Proportional to 57,810.63, 86,715.96 and 16,257.63

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Solution

The fourth proportional to 57,810.63, 86,715.96 and 16,257.63 is: 24,386.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,810.63 : 86,715.96 = 16,257.63 : x
  2. Step 2: Convert to fraction form
    57,810.63/86,715.96 = 16,257.63/x
  3. Step 3: Cross multiply
    57,810.63x = 86,715.96 × 16,257.63
  4. Step 4: Simplify right side
    57,810.63x = 1,409,795,992.77
  5. Step 5: Solve for x
    x = 1,409,795,992.77/57,810.63
  6. Step 6: Final answer
    x = 24,386.45

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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.