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Finding the Fourth Proportional to 57,525.78, 79,410.07 and 38,673.84

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Solution

The fourth proportional to 57,525.78, 79,410.07 and 38,673.84 is: 53,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525.78 : 79,410.07 = 38,673.84 : x
  2. Step 2: Convert to fraction form
    57,525.78/79,410.07 = 38,673.84/x
  3. Step 3: Cross multiply
    57,525.78x = 79,410.07 × 38,673.84
  4. Step 4: Simplify right side
    57,525.78x = 3,071,092,341.57
  5. Step 5: Solve for x
    x = 3,071,092,341.57/57,525.78
  6. Step 6: Final answer
    x = 53,386.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.