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Finding the Fourth Proportional to 17,731.16, 26,597.42 and 6,636.68

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Solution

The fourth proportional to 17,731.16, 26,597.42 and 6,636.68 is: 9,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.16 : 26,597.42 = 6,636.68 : x
  2. Step 2: Convert to fraction form
    17,731.16/26,597.42 = 6,636.68/x
  3. Step 3: Cross multiply
    17,731.16x = 26,597.42 × 6,636.68
  4. Step 4: Simplify right side
    17,731.16x = 176,518,532.18
  5. Step 5: Solve for x
    x = 176,518,532.18/17,731.16
  6. Step 6: Final answer
    x = 9,955.27

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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.