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Finding the Fourth Proportional to 17,392.64, 26,088.32 and 5,080.32

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Solution

The fourth proportional to 17,392.64, 26,088.32 and 5,080.32 is: 7,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,392.64 : 26,088.32 = 5,080.32 : x
  2. Step 2: Convert to fraction form
    17,392.64/26,088.32 = 5,080.32/x
  3. Step 3: Cross multiply
    17,392.64x = 26,088.32 × 5,080.32
  4. Step 4: Simplify right side
    17,392.64x = 132,537,013.86
  5. Step 5: Solve for x
    x = 132,537,013.86/17,392.64
  6. Step 6: Final answer
    x = 7,620.29

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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.