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Finding the Fourth Proportional to 19,842.08, 29,764.87 and 7,362.24

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Solution

The fourth proportional to 19,842.08, 29,764.87 and 7,362.24 is: 11,044.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,842.08 : 29,764.87 = 7,362.24 : x
  2. Step 2: Convert to fraction form
    19,842.08/29,764.87 = 7,362.24/x
  3. Step 3: Cross multiply
    19,842.08x = 29,764.87 × 7,362.24
  4. Step 4: Simplify right side
    19,842.08x = 219,136,116.51
  5. Step 5: Solve for x
    x = 219,136,116.51/19,842.08
  6. Step 6: Final answer
    x = 11,044.01

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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.