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Finding the Fourth Proportional to 15,759.30, 23,638.95 and 10,813.95

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Solution

The fourth proportional to 15,759.30, 23,638.95 and 10,813.95 is: 16,220.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.30 : 23,638.95 = 10,813.95 : x
  2. Step 2: Convert to fraction form
    15,759.30/23,638.95 = 10,813.95/x
  3. Step 3: Cross multiply
    15,759.30x = 23,638.95 × 10,813.95
  4. Step 4: Simplify right side
    15,759.30x = 255,630,423.35
  5. Step 5: Solve for x
    x = 255,630,423.35/15,759.30
  6. Step 6: Final answer
    x = 16,220.93

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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.