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Finding the Fourth Proportional to 65,954.66, 98,934.75 and 19,207.53

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Solution

The fourth proportional to 65,954.66, 98,934.75 and 19,207.53 is: 28,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.66 : 98,934.75 = 19,207.53 : x
  2. Step 2: Convert to fraction form
    65,954.66/98,934.75 = 19,207.53/x
  3. Step 3: Cross multiply
    65,954.66x = 98,934.75 × 19,207.53
  4. Step 4: Simplify right side
    65,954.66x = 1,900,292,178.67
  5. Step 5: Solve for x
    x = 1,900,292,178.67/65,954.66
  6. Step 6: Final answer
    x = 28,812.10

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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.