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Finding the Fourth Proportional to 65,717.64, 98,646.63 and 28,296.24

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Solution

The fourth proportional to 65,717.64, 98,646.63 and 28,296.24 is: 42,474.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,717.64 : 98,646.63 = 28,296.24 : x
  2. Step 2: Convert to fraction form
    65,717.64/98,646.63 = 28,296.24/x
  3. Step 3: Cross multiply
    65,717.64x = 98,646.63 × 28,296.24
  4. Step 4: Simplify right side
    65,717.64x = 2,791,328,717.67
  5. Step 5: Solve for x
    x = 2,791,328,717.67/65,717.64
  6. Step 6: Final answer
    x = 42,474.57

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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.