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Finding the Fourth Proportional to 19,348.13, 29,035.16 and 7,036.13

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Solution

The fourth proportional to 19,348.13, 29,035.16 and 7,036.13 is: 10,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,348.13 : 29,035.16 = 7,036.13 : x
  2. Step 2: Convert to fraction form
    19,348.13/29,035.16 = 7,036.13/x
  3. Step 3: Cross multiply
    19,348.13x = 29,035.16 × 7,036.13
  4. Step 4: Simplify right side
    19,348.13x = 204,294,979.97
  5. Step 5: Solve for x
    x = 204,294,979.97/19,348.13
  6. Step 6: Final answer
    x = 10,558.90

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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.