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Finding the Fourth Proportional to 65,522.92, 98,287.74 and 18,776.20

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Solution

The fourth proportional to 65,522.92, 98,287.74 and 18,776.20 is: 28,165.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.92 : 98,287.74 = 18,776.20 : x
  2. Step 2: Convert to fraction form
    65,522.92/98,287.74 = 18,776.20/x
  3. Step 3: Cross multiply
    65,522.92x = 98,287.74 × 18,776.20
  4. Step 4: Simplify right side
    65,522.92x = 1,845,470,263.79
  5. Step 5: Solve for x
    x = 1,845,470,263.79/65,522.92
  6. Step 6: Final answer
    x = 28,165.26

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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.