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Finding the Fourth Proportional to 23,880.81, 35,812.71 and 9,085.80

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Solution

The fourth proportional to 23,880.81, 35,812.71 and 9,085.80 is: 13,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.81 : 35,812.71 = 9,085.80 : x
  2. Step 2: Convert to fraction form
    23,880.81/35,812.71 = 9,085.80/x
  3. Step 3: Cross multiply
    23,880.81x = 35,812.71 × 9,085.80
  4. Step 4: Simplify right side
    23,880.81x = 325,387,120.52
  5. Step 5: Solve for x
    x = 325,387,120.52/23,880.81
  6. Step 6: Final answer
    x = 13,625.46

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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.