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Finding the Fourth Proportional to 65,482.51, 98,223.09 and 28,010.83

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Solution

The fourth proportional to 65,482.51, 98,223.09 and 28,010.83 is: 42,015.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,482.51 : 98,223.09 = 28,010.83 : x
  2. Step 2: Convert to fraction form
    65,482.51/98,223.09 = 28,010.83/x
  3. Step 3: Cross multiply
    65,482.51x = 98,223.09 × 28,010.83
  4. Step 4: Simplify right side
    65,482.51x = 2,751,310,276.06
  5. Step 5: Solve for x
    x = 2,751,310,276.06/65,482.51
  6. Step 6: Final answer
    x = 42,015.96

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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.