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Finding the Fourth Proportional to 17,215.68, 23,762.68 and 11,248.32

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Solution

The fourth proportional to 17,215.68, 23,762.68 and 11,248.32 is: 15,525.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.68 : 23,762.68 = 11,248.32 : x
  2. Step 2: Convert to fraction form
    17,215.68/23,762.68 = 11,248.32/x
  3. Step 3: Cross multiply
    17,215.68x = 23,762.68 × 11,248.32
  4. Step 4: Simplify right side
    17,215.68x = 267,290,228.70
  5. Step 5: Solve for x
    x = 267,290,228.70/17,215.68
  6. Step 6: Final answer
    x = 15,525.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.