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Finding the Fourth Proportional to 19,365.57, 29,050.08 and 7,519.06

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Solution

The fourth proportional to 19,365.57, 29,050.08 and 7,519.06 is: 11,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,365.57 : 29,050.08 = 7,519.06 : x
  2. Step 2: Convert to fraction form
    19,365.57/29,050.08 = 7,519.06/x
  3. Step 3: Cross multiply
    19,365.57x = 29,050.08 × 7,519.06
  4. Step 4: Simplify right side
    19,365.57x = 218,429,294.52
  5. Step 5: Solve for x
    x = 218,429,294.52/19,365.57
  6. Step 6: Final answer
    x = 11,279.26

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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.