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Finding the Fourth Proportional to 11,590.44, 17,300.80 and 9,957.48

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Solution

The fourth proportional to 11,590.44, 17,300.80 and 9,957.48 is: 14,863.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,590.44 : 17,300.80 = 9,957.48 : x
  2. Step 2: Convert to fraction form
    11,590.44/17,300.80 = 9,957.48/x
  3. Step 3: Cross multiply
    11,590.44x = 17,300.80 × 9,957.48
  4. Step 4: Simplify right side
    11,590.44x = 172,272,369.98
  5. Step 5: Solve for x
    x = 172,272,369.98/11,590.44
  6. Step 6: Final answer
    x = 14,863.32

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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.