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Finding the Fourth Proportional to 23,880.69, 35,807.13 and 9,090.63

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Solution

The fourth proportional to 23,880.69, 35,807.13 and 9,090.63 is: 13,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,880.69 : 35,807.13 = 9,090.63 : x
  2. Step 2: Convert to fraction form
    23,880.69/35,807.13 = 9,090.63/x
  3. Step 3: Cross multiply
    23,880.69x = 35,807.13 × 9,090.63
  4. Step 4: Simplify right side
    23,880.69x = 325,509,370.19
  5. Step 5: Solve for x
    x = 325,509,370.19/23,880.69
  6. Step 6: Final answer
    x = 13,630.65

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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.