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Finding the Fourth Proportional to 17,653.52, 26,480.10 and 4,505.75

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Solution

The fourth proportional to 17,653.52, 26,480.10 and 4,505.75 is: 6,758.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.52 : 26,480.10 = 4,505.75 : x
  2. Step 2: Convert to fraction form
    17,653.52/26,480.10 = 4,505.75/x
  3. Step 3: Cross multiply
    17,653.52x = 26,480.10 × 4,505.75
  4. Step 4: Simplify right side
    17,653.52x = 119,312,710.58
  5. Step 5: Solve for x
    x = 119,312,710.58/17,653.52
  6. Step 6: Final answer
    x = 6,758.58

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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.