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Finding the Fourth Proportional to 65,874.98, 98,812.14 and 15,955.08

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Solution

The fourth proportional to 65,874.98, 98,812.14 and 15,955.08 is: 23,932.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,874.98 : 98,812.14 = 15,955.08 : x
  2. Step 2: Convert to fraction form
    65,874.98/98,812.14 = 15,955.08/x
  3. Step 3: Cross multiply
    65,874.98x = 98,812.14 × 15,955.08
  4. Step 4: Simplify right side
    65,874.98x = 1,576,555,024.84
  5. Step 5: Solve for x
    x = 1,576,555,024.84/65,874.98
  6. Step 6: Final answer
    x = 23,932.53

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1.5x scale

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.