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Finding the Fourth Proportional to 37,998.96, 57,005.76 and 15,800.40

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Solution

The fourth proportional to 37,998.96, 57,005.76 and 15,800.40 is: 23,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,998.96 : 57,005.76 = 15,800.40 : x
  2. Step 2: Convert to fraction form
    37,998.96/57,005.76 = 15,800.40/x
  3. Step 3: Cross multiply
    37,998.96x = 57,005.76 × 15,800.40
  4. Step 4: Simplify right side
    37,998.96x = 900,713,810.30
  5. Step 5: Solve for x
    x = 900,713,810.30/37,998.96
  6. Step 6: Final answer
    x = 23,703.64

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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.