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Finding the Fourth Proportional to 65,352.16, 97,989.12 and 25,927.84

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Solution

The fourth proportional to 65,352.16, 97,989.12 and 25,927.84 is: 38,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,352.16 : 97,989.12 = 25,927.84 : x
  2. Step 2: Convert to fraction form
    65,352.16/97,989.12 = 25,927.84/x
  3. Step 3: Cross multiply
    65,352.16x = 97,989.12 × 25,927.84
  4. Step 4: Simplify right side
    65,352.16x = 2,540,646,225.10
  5. Step 5: Solve for x
    x = 2,540,646,225.10/65,352.16
  6. Step 6: Final answer
    x = 38,876.24

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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.