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Finding the Fourth Proportional to 57,998.04, 86,988.42 and 18,551.04

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Solution

The fourth proportional to 57,998.04, 86,988.42 and 18,551.04 is: 27,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,998.04 : 86,988.42 = 18,551.04 : x
  2. Step 2: Convert to fraction form
    57,998.04/86,988.42 = 18,551.04/x
  3. Step 3: Cross multiply
    57,998.04x = 86,988.42 × 18,551.04
  4. Step 4: Simplify right side
    57,998.04x = 1,613,725,658.96
  5. Step 5: Solve for x
    x = 1,613,725,658.96/57,998.04
  6. Step 6: Final answer
    x = 27,823.80

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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.