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Finding the Fourth Proportional to 65,792.68, 98,686.14 and 19,044.52

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Solution

The fourth proportional to 65,792.68, 98,686.14 and 19,044.52 is: 28,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,792.68 : 98,686.14 = 19,044.52 : x
  2. Step 2: Convert to fraction form
    65,792.68/98,686.14 = 19,044.52/x
  3. Step 3: Cross multiply
    65,792.68x = 98,686.14 × 19,044.52
  4. Step 4: Simplify right side
    65,792.68x = 1,879,430,166.95
  5. Step 5: Solve for x
    x = 1,879,430,166.95/65,792.68
  6. Step 6: Final answer
    x = 28,565.95

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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.