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Finding the Fourth Proportional to 65,820.62, 98,736.55 and 23,122.32

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Solution

The fourth proportional to 65,820.62, 98,736.55 and 23,122.32 is: 34,685.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,820.62 : 98,736.55 = 23,122.32 : x
  2. Step 2: Convert to fraction form
    65,820.62/98,736.55 = 23,122.32/x
  3. Step 3: Cross multiply
    65,820.62x = 98,736.55 × 23,122.32
  4. Step 4: Simplify right side
    65,820.62x = 2,283,017,690.50
  5. Step 5: Solve for x
    x = 2,283,017,690.50/65,820.62
  6. Step 6: Final answer
    x = 34,685.45

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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.