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Finding the Fourth Proportional to 42,920.44, 59,203.80 and 26,991.80

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Solution

The fourth proportional to 42,920.44, 59,203.80 and 26,991.80 is: 37,232.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,920.44 : 59,203.80 = 26,991.80 : x
  2. Step 2: Convert to fraction form
    42,920.44/59,203.80 = 26,991.80/x
  3. Step 3: Cross multiply
    42,920.44x = 59,203.80 × 26,991.80
  4. Step 4: Simplify right side
    42,920.44x = 1,598,017,128.84
  5. Step 5: Solve for x
    x = 1,598,017,128.84/42,920.44
  6. Step 6: Final answer
    x = 37,232.08

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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.