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Finding the Fourth Proportional to 65,762.24, 98,644.06 and 19,015.52

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Solution

The fourth proportional to 65,762.24, 98,644.06 and 19,015.52 is: 28,523.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.24 : 98,644.06 = 19,015.52 : x
  2. Step 2: Convert to fraction form
    65,762.24/98,644.06 = 19,015.52/x
  3. Step 3: Cross multiply
    65,762.24x = 98,644.06 × 19,015.52
  4. Step 4: Simplify right side
    65,762.24x = 1,875,768,095.81
  5. Step 5: Solve for x
    x = 1,875,768,095.81/65,762.24
  6. Step 6: Final answer
    x = 28,523.48

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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.