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Finding the Fourth Proportional to 65,817.26, 90,827.54 and 35,602.66

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Solution

The fourth proportional to 65,817.26, 90,827.54 and 35,602.66 is: 49,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,817.26 : 90,827.54 = 35,602.66 : x
  2. Step 2: Convert to fraction form
    65,817.26/90,827.54 = 35,602.66/x
  3. Step 3: Cross multiply
    65,817.26x = 90,827.54 × 35,602.66
  4. Step 4: Simplify right side
    65,817.26x = 3,233,702,025.26
  5. Step 5: Solve for x
    x = 3,233,702,025.26/65,817.26
  6. Step 6: Final answer
    x = 49,131.52

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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.