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Finding the Fourth Proportional to 17,672.90, 26,509.55 and 4,524.93

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Solution

The fourth proportional to 17,672.90, 26,509.55 and 4,524.93 is: 6,787.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.90 : 26,509.55 = 4,524.93 : x
  2. Step 2: Convert to fraction form
    17,672.90/26,509.55 = 4,524.93/x
  3. Step 3: Cross multiply
    17,672.90x = 26,509.55 × 4,524.93
  4. Step 4: Simplify right side
    17,672.90x = 119,953,835.46
  5. Step 5: Solve for x
    x = 119,953,835.46/17,672.90
  6. Step 6: Final answer
    x = 6,787.45

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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.