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Finding the Fourth Proportional to 65,755.96, 98,555.64 and 37,695.40

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Solution

The fourth proportional to 65,755.96, 98,555.64 and 37,695.40 is: 56,498.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,755.96 : 98,555.64 = 37,695.40 : x
  2. Step 2: Convert to fraction form
    65,755.96/98,555.64 = 37,695.40/x
  3. Step 3: Cross multiply
    65,755.96x = 98,555.64 × 37,695.40
  4. Step 4: Simplify right side
    65,755.96x = 3,715,094,272.06
  5. Step 5: Solve for x
    x = 3,715,094,272.06/65,755.96
  6. Step 6: Final answer
    x = 56,498.21

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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.