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Finding the Fourth Proportional to 43,652.40, 65,478.98 and 23,920.18

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Solution

The fourth proportional to 43,652.40, 65,478.98 and 23,920.18 is: 35,880.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,652.40 : 65,478.98 = 23,920.18 : x
  2. Step 2: Convert to fraction form
    43,652.40/65,478.98 = 23,920.18/x
  3. Step 3: Cross multiply
    43,652.40x = 65,478.98 × 23,920.18
  4. Step 4: Simplify right side
    43,652.40x = 1,566,268,987.82
  5. Step 5: Solve for x
    x = 1,566,268,987.82/43,652.40
  6. Step 6: Final answer
    x = 35,880.48

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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.