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Finding the Fourth Proportional to 11,798.88, 17,714.16 and 7,570.68

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Solution

The fourth proportional to 11,798.88, 17,714.16 and 7,570.68 is: 11,366.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,798.88 : 17,714.16 = 7,570.68 : x
  2. Step 2: Convert to fraction form
    11,798.88/17,714.16 = 7,570.68/x
  3. Step 3: Cross multiply
    11,798.88x = 17,714.16 × 7,570.68
  4. Step 4: Simplify right side
    11,798.88x = 134,108,236.83
  5. Step 5: Solve for x
    x = 134,108,236.83/11,798.88
  6. Step 6: Final answer
    x = 11,366.18

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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.