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Finding the Fourth Proportional to 19,394.82, 29,094.66 and 19,094.58

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Solution

The fourth proportional to 19,394.82, 29,094.66 and 19,094.58 is: 28,644.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,394.82 : 29,094.66 = 19,094.58 : x
  2. Step 2: Convert to fraction form
    19,394.82/29,094.66 = 19,094.58/x
  3. Step 3: Cross multiply
    19,394.82x = 29,094.66 × 19,094.58
  4. Step 4: Simplify right side
    19,394.82x = 555,550,312.94
  5. Step 5: Solve for x
    x = 555,550,312.94/19,394.82
  6. Step 6: Final answer
    x = 28,644.26

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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.