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Finding the Fourth Proportional to 65,492.51, 98,156.54 and 28,008.48

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Solution

The fourth proportional to 65,492.51, 98,156.54 and 28,008.48 is: 41,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,492.51 : 98,156.54 = 28,008.48 : x
  2. Step 2: Convert to fraction form
    65,492.51/98,156.54 = 28,008.48/x
  3. Step 3: Cross multiply
    65,492.51x = 98,156.54 × 28,008.48
  4. Step 4: Simplify right side
    65,492.51x = 2,749,215,347.42
  5. Step 5: Solve for x
    x = 2,749,215,347.42/65,492.51
  6. Step 6: Final answer
    x = 41,977.56

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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.