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Finding the Fourth Proportional to 21,883.91, 32,829.71 and 9,060.93

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Solution

The fourth proportional to 21,883.91, 32,829.71 and 9,060.93 is: 13,592.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.91 : 32,829.71 = 9,060.93 : x
  2. Step 2: Convert to fraction form
    21,883.91/32,829.71 = 9,060.93/x
  3. Step 3: Cross multiply
    21,883.91x = 32,829.71 × 9,060.93
  4. Step 4: Simplify right side
    21,883.91x = 297,467,658.93
  5. Step 5: Solve for x
    x = 297,467,658.93/21,883.91
  6. Step 6: Final answer
    x = 13,592.99

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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.