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Finding the Fourth Proportional to 65,792.36, 98,701.50 and 19,045.64

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Solution

The fourth proportional to 65,792.36, 98,701.50 and 19,045.64 is: 28,572.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792.36 : 98,701.50 = 19,045.64 : x
  2. Step 2: Convert to fraction form
    65,792.36/98,701.50 = 19,045.64/x
  3. Step 3: Cross multiply
    65,792.36x = 98,701.50 × 19,045.64
  4. Step 4: Simplify right side
    65,792.36x = 1,879,833,236.46
  5. Step 5: Solve for x
    x = 1,879,833,236.46/65,792.36
  6. Step 6: Final answer
    x = 28,572.21

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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.