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Finding the Fourth Proportional to 35,130.04, 52,649.04 and 30,676.48

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Solution

The fourth proportional to 35,130.04, 52,649.04 and 30,676.48 is: 45,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,130.04 : 52,649.04 = 30,676.48 : x
  2. Step 2: Convert to fraction form
    35,130.04/52,649.04 = 30,676.48/x
  3. Step 3: Cross multiply
    35,130.04x = 52,649.04 × 30,676.48
  4. Step 4: Simplify right side
    35,130.04x = 1,615,087,222.58
  5. Step 5: Solve for x
    x = 1,615,087,222.58/35,130.04
  6. Step 6: Final answer
    x = 45,974.53

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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.