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Finding the Fourth Proportional to 45,978, 63,449.70 and 26,106

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Solution

The fourth proportional to 45,978, 63,449.70 and 26,106 is: 36,026.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,978 : 63,449.70 = 26,106 : x
  2. Step 2: Convert to fraction form
    45,978/63,449.70 = 26,106/x
  3. Step 3: Cross multiply
    45,978x = 63,449.70 × 26,106
  4. Step 4: Simplify right side
    45,978x = 1,656,417,868.20
  5. Step 5: Solve for x
    x = 1,656,417,868.20/45,978
  6. Step 6: Final answer
    x = 36,026.31

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.