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Finding the Fourth Proportional to 65,590.62, 98,302.88 and 41,889.01

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Solution

The fourth proportional to 65,590.62, 98,302.88 and 41,889.01 is: 62,780.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,590.62 : 98,302.88 = 41,889.01 : x
  2. Step 2: Convert to fraction form
    65,590.62/98,302.88 = 41,889.01/x
  3. Step 3: Cross multiply
    65,590.62x = 98,302.88 × 41,889.01
  4. Step 4: Simplify right side
    65,590.62x = 4,117,810,323.35
  5. Step 5: Solve for x
    x = 4,117,810,323.35/65,590.62
  6. Step 6: Final answer
    x = 62,780.48

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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.