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Finding the Fourth Proportional to 19,005.92, 26,229.08 and 10,507.89

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Solution

The fourth proportional to 19,005.92, 26,229.08 and 10,507.89 is: 14,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.92 : 26,229.08 = 10,507.89 : x
  2. Step 2: Convert to fraction form
    19,005.92/26,229.08 = 10,507.89/x
  3. Step 3: Cross multiply
    19,005.92x = 26,229.08 × 10,507.89
  4. Step 4: Simplify right side
    19,005.92x = 275,612,182.57
  5. Step 5: Solve for x
    x = 275,612,182.57/19,005.92
  6. Step 6: Final answer
    x = 14,501.39

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.