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Finding the Fourth Proportional to 65,827.40, 98,750.84 and 19,074.20

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Solution

The fourth proportional to 65,827.40, 98,750.84 and 19,074.20 is: 28,614.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,827.40 : 98,750.84 = 19,074.20 : x
  2. Step 2: Convert to fraction form
    65,827.40/98,750.84 = 19,074.20/x
  3. Step 3: Cross multiply
    65,827.40x = 98,750.84 × 19,074.20
  4. Step 4: Simplify right side
    65,827.40x = 1,883,592,683.20
  5. Step 5: Solve for x
    x = 1,883,592,683.20/65,827.40
  6. Step 6: Final answer
    x = 28,614.12

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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.