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Finding the Fourth Proportional to 17,196.80, 25,762.80 and 8,848.40

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Solution

The fourth proportional to 17,196.80, 25,762.80 and 8,848.40 is: 13,255.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,196.80 : 25,762.80 = 8,848.40 : x
  2. Step 2: Convert to fraction form
    17,196.80/25,762.80 = 8,848.40/x
  3. Step 3: Cross multiply
    17,196.80x = 25,762.80 × 8,848.40
  4. Step 4: Simplify right side
    17,196.80x = 227,959,559.52
  5. Step 5: Solve for x
    x = 227,959,559.52/17,196.80
  6. Step 6: Final answer
    x = 13,255.93

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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.