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Finding the Fourth Proportional to 17,880.32, 26,832.80 and 8,030.64

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Solution

The fourth proportional to 17,880.32, 26,832.80 and 8,030.64 is: 12,051.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.32 : 26,832.80 = 8,030.64 : x
  2. Step 2: Convert to fraction form
    17,880.32/26,832.80 = 8,030.64/x
  3. Step 3: Cross multiply
    17,880.32x = 26,832.80 × 8,030.64
  4. Step 4: Simplify right side
    17,880.32x = 215,484,556.99
  5. Step 5: Solve for x
    x = 215,484,556.99/17,880.32
  6. Step 6: Final answer
    x = 12,051.49

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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.