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Finding the Fourth Proportional to 17,653.60, 26,480.16 and 4,505.92

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Solution

The fourth proportional to 17,653.60, 26,480.16 and 4,505.92 is: 6,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,653.60 : 26,480.16 = 4,505.92 : x
  2. Step 2: Convert to fraction form
    17,653.60/26,480.16 = 4,505.92/x
  3. Step 3: Cross multiply
    17,653.60x = 26,480.16 × 4,505.92
  4. Step 4: Simplify right side
    17,653.60x = 119,317,482.55
  5. Step 5: Solve for x
    x = 119,317,482.55/17,653.60
  6. Step 6: Final answer
    x = 6,758.82

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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.