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Finding the Fourth Proportional to 65,842.76, 98,763.93 and 26,427.56

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Solution

The fourth proportional to 65,842.76, 98,763.93 and 26,427.56 is: 39,641.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,842.76 : 98,763.93 = 26,427.56 : x
  2. Step 2: Convert to fraction form
    65,842.76/98,763.93 = 26,427.56/x
  3. Step 3: Cross multiply
    65,842.76x = 98,763.93 × 26,427.56
  4. Step 4: Simplify right side
    65,842.76x = 2,610,089,192.09
  5. Step 5: Solve for x
    x = 2,610,089,192.09/65,842.76
  6. Step 6: Final answer
    x = 39,641.25

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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.