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Finding the Fourth Proportional to 38,483.67, 57,849.62 and 35,685.47

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Solution

The fourth proportional to 38,483.67, 57,849.62 and 35,685.47 is: 53,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.67 : 57,849.62 = 35,685.47 : x
  2. Step 2: Convert to fraction form
    38,483.67/57,849.62 = 35,685.47/x
  3. Step 3: Cross multiply
    38,483.67x = 57,849.62 × 35,685.47
  4. Step 4: Simplify right side
    38,483.67x = 2,064,390,886.68
  5. Step 5: Solve for x
    x = 2,064,390,886.68/38,483.67
  6. Step 6: Final answer
    x = 53,643.30

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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.