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Finding the Fourth Proportional to 57,525.76, 79,410.02 and 38,673.82

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Solution

The fourth proportional to 57,525.76, 79,410.02 and 38,673.82 is: 53,386.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,525.76 : 79,410.02 = 38,673.82 : x
  2. Step 2: Convert to fraction form
    57,525.76/79,410.02 = 38,673.82/x
  3. Step 3: Cross multiply
    57,525.76x = 79,410.02 × 38,673.82
  4. Step 4: Simplify right side
    57,525.76x = 3,071,088,819.68
  5. Step 5: Solve for x
    x = 3,071,088,819.68/57,525.76
  6. Step 6: Final answer
    x = 53,386.32

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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.