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Finding the Fourth Proportional to 43,690.68, 65,472.57 and 23,683.23

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Solution

The fourth proportional to 43,690.68, 65,472.57 and 23,683.23 is: 35,490.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,690.68 : 65,472.57 = 23,683.23 : x
  2. Step 2: Convert to fraction form
    43,690.68/65,472.57 = 23,683.23/x
  3. Step 3: Cross multiply
    43,690.68x = 65,472.57 × 23,683.23
  4. Step 4: Simplify right side
    43,690.68x = 1,550,601,934.00
  5. Step 5: Solve for x
    x = 1,550,601,934.00/43,690.68
  6. Step 6: Final answer
    x = 35,490.45

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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.