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Finding the Fourth Proportional to 65,693.77, 90,651.46 and 37,018.10

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Solution

The fourth proportional to 65,693.77, 90,651.46 and 37,018.10 is: 51,081.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,693.77 : 90,651.46 = 37,018.10 : x
  2. Step 2: Convert to fraction form
    65,693.77/90,651.46 = 37,018.10/x
  3. Step 3: Cross multiply
    65,693.77x = 90,651.46 × 37,018.10
  4. Step 4: Simplify right side
    65,693.77x = 3,355,744,626.34
  5. Step 5: Solve for x
    x = 3,355,744,626.34/65,693.77
  6. Step 6: Final answer
    x = 51,081.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.