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Finding the Fourth Proportional to 57,841.92, 86,762.88 and 18,399.04

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Solution

The fourth proportional to 57,841.92, 86,762.88 and 18,399.04 is: 27,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,841.92 : 86,762.88 = 18,399.04 : x
  2. Step 2: Convert to fraction form
    57,841.92/86,762.88 = 18,399.04/x
  3. Step 3: Cross multiply
    57,841.92x = 86,762.88 × 18,399.04
  4. Step 4: Simplify right side
    57,841.92x = 1,596,353,699.64
  5. Step 5: Solve for x
    x = 1,596,353,699.64/57,841.92
  6. Step 6: Final answer
    x = 27,598.56

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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.