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Finding the Fourth Proportional to 65,522.70, 98,201.79 and 28,038.69

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Solution

The fourth proportional to 65,522.70, 98,201.79 and 28,038.69 is: 42,022.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,522.70 : 98,201.79 = 28,038.69 : x
  2. Step 2: Convert to fraction form
    65,522.70/98,201.79 = 28,038.69/x
  3. Step 3: Cross multiply
    65,522.70x = 98,201.79 × 28,038.69
  4. Step 4: Simplify right side
    65,522.70x = 2,753,449,547.26
  5. Step 5: Solve for x
    x = 2,753,449,547.26/65,522.70
  6. Step 6: Final answer
    x = 42,022.83

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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.