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Finding the Fourth Proportional to 30,833.02, 45,978.80 and 30,552.36

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Solution

The fourth proportional to 30,833.02, 45,978.80 and 30,552.36 is: 45,560.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,833.02 : 45,978.80 = 30,552.36 : x
  2. Step 2: Convert to fraction form
    30,833.02/45,978.80 = 30,552.36/x
  3. Step 3: Cross multiply
    30,833.02x = 45,978.80 × 30,552.36
  4. Step 4: Simplify right side
    30,833.02x = 1,404,760,849.97
  5. Step 5: Solve for x
    x = 1,404,760,849.97/30,833.02
  6. Step 6: Final answer
    x = 45,560.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.