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Finding the Fourth Proportional to 65,907.03, 98,875.14 and 36,309.63

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Solution

The fourth proportional to 65,907.03, 98,875.14 and 36,309.63 is: 54,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,907.03 : 98,875.14 = 36,309.63 : x
  2. Step 2: Convert to fraction form
    65,907.03/98,875.14 = 36,309.63/x
  3. Step 3: Cross multiply
    65,907.03x = 98,875.14 × 36,309.63
  4. Step 4: Simplify right side
    65,907.03x = 3,590,119,749.60
  5. Step 5: Solve for x
    x = 3,590,119,749.60/65,907.03
  6. Step 6: Final answer
    x = 54,472.49

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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.