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Finding the Fourth Proportional to 30,995.04, 42,773.04 and 16,848.48

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Solution

The fourth proportional to 30,995.04, 42,773.04 and 16,848.48 is: 23,250.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,995.04 : 42,773.04 = 16,848.48 : x
  2. Step 2: Convert to fraction form
    30,995.04/42,773.04 = 16,848.48/x
  3. Step 3: Cross multiply
    30,995.04x = 42,773.04 × 16,848.48
  4. Step 4: Simplify right side
    30,995.04x = 720,660,708.98
  5. Step 5: Solve for x
    x = 720,660,708.98/30,995.04
  6. Step 6: Final answer
    x = 23,250.84

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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.