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Finding the Fourth Proportional to 35,703.92, 49,274.91 and 19,788.39

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Solution

The fourth proportional to 35,703.92, 49,274.91 and 19,788.39 is: 27,309.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,703.92 : 49,274.91 = 19,788.39 : x
  2. Step 2: Convert to fraction form
    35,703.92/49,274.91 = 19,788.39/x
  3. Step 3: Cross multiply
    35,703.92x = 49,274.91 × 19,788.39
  4. Step 4: Simplify right side
    35,703.92x = 975,071,136.29
  5. Step 5: Solve for x
    x = 975,071,136.29/35,703.92
  6. Step 6: Final answer
    x = 27,309.92

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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.