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Finding the Fourth Proportional to 34,590.51, 51,893.06 and 11,215.13

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Solution

The fourth proportional to 34,590.51, 51,893.06 and 11,215.13 is: 16,825.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,590.51 : 51,893.06 = 11,215.13 : x
  2. Step 2: Convert to fraction form
    34,590.51/51,893.06 = 11,215.13/x
  3. Step 3: Cross multiply
    34,590.51x = 51,893.06 × 11,215.13
  4. Step 4: Simplify right side
    34,590.51x = 581,987,098.46
  5. Step 5: Solve for x
    x = 581,987,098.46/34,590.51
  6. Step 6: Final answer
    x = 16,825.05

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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.