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Finding the Fourth Proportional to 65,570.55, 90,486.96 and 37,276.26

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Solution

The fourth proportional to 65,570.55, 90,486.96 and 37,276.26 is: 51,441.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,570.55 : 90,486.96 = 37,276.26 : x
  2. Step 2: Convert to fraction form
    65,570.55/90,486.96 = 37,276.26/x
  3. Step 3: Cross multiply
    65,570.55x = 90,486.96 × 37,276.26
  4. Step 4: Simplify right side
    65,570.55x = 3,373,015,447.57
  5. Step 5: Solve for x
    x = 3,373,015,447.57/65,570.55
  6. Step 6: Final answer
    x = 51,441.01

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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.