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Finding the Fourth Proportional to 65,494.51, 98,159.53 and 28,010.48

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Solution

The fourth proportional to 65,494.51, 98,159.53 and 28,010.48 is: 41,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,494.51 : 98,159.53 = 28,010.48 : x
  2. Step 2: Convert to fraction form
    65,494.51/98,159.53 = 28,010.48/x
  3. Step 3: Cross multiply
    65,494.51x = 98,159.53 × 28,010.48
  4. Step 4: Simplify right side
    65,494.51x = 2,749,495,551.87
  5. Step 5: Solve for x
    x = 2,749,495,551.87/65,494.51
  6. Step 6: Final answer
    x = 41,980.55

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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.