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Finding the Fourth Proportional to 17,759.64, 26,630.19 and 5,277.95

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Solution

The fourth proportional to 17,759.64, 26,630.19 and 5,277.95 is: 7,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,759.64 : 26,630.19 = 5,277.95 : x
  2. Step 2: Convert to fraction form
    17,759.64/26,630.19 = 5,277.95/x
  3. Step 3: Cross multiply
    17,759.64x = 26,630.19 × 5,277.95
  4. Step 4: Simplify right side
    17,759.64x = 140,552,678.16
  5. Step 5: Solve for x
    x = 140,552,678.16/17,759.64
  6. Step 6: Final answer
    x = 7,914.16

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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.