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Finding the Fourth Proportional to 17,842.48, 26,655.20 and 11,551.24

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Solution

The fourth proportional to 17,842.48, 26,655.20 and 11,551.24 is: 17,256.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,842.48 : 26,655.20 = 11,551.24 : x
  2. Step 2: Convert to fraction form
    17,842.48/26,655.20 = 11,551.24/x
  3. Step 3: Cross multiply
    17,842.48x = 26,655.20 × 11,551.24
  4. Step 4: Simplify right side
    17,842.48x = 307,900,612.45
  5. Step 5: Solve for x
    x = 307,900,612.45/17,842.48
  6. Step 6: Final answer
    x = 17,256.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.