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Finding the Fourth Proportional to 35,554.92, 49,068.66 and 19,640.76

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Solution

The fourth proportional to 35,554.92, 49,068.66 and 19,640.76 is: 27,105.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,554.92 : 49,068.66 = 19,640.76 : x
  2. Step 2: Convert to fraction form
    35,554.92/49,068.66 = 19,640.76/x
  3. Step 3: Cross multiply
    35,554.92x = 49,068.66 × 19,640.76
  4. Step 4: Simplify right side
    35,554.92x = 963,745,774.58
  5. Step 5: Solve for x
    x = 963,745,774.58/35,554.92
  6. Step 6: Final answer
    x = 27,105.83

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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.