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Finding the Fourth Proportional to 35,633.78, 53,459.31 and 10,673.78

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Solution

The fourth proportional to 35,633.78, 53,459.31 and 10,673.78 is: 16,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,633.78 : 53,459.31 = 10,673.78 : x
  2. Step 2: Convert to fraction form
    35,633.78/53,459.31 = 10,673.78/x
  3. Step 3: Cross multiply
    35,633.78x = 53,459.31 × 10,673.78
  4. Step 4: Simplify right side
    35,633.78x = 570,612,913.89
  5. Step 5: Solve for x
    x = 570,612,913.89/35,633.78
  6. Step 6: Final answer
    x = 16,013.26

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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.