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Finding the Fourth Proportional to 35,856.87, 49,483.68 and 19,724.86

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Solution

The fourth proportional to 35,856.87, 49,483.68 and 19,724.86 is: 27,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,856.87 : 49,483.68 = 19,724.86 : x
  2. Step 2: Convert to fraction form
    35,856.87/49,483.68 = 19,724.86/x
  3. Step 3: Cross multiply
    35,856.87x = 49,483.68 × 19,724.86
  4. Step 4: Simplify right side
    35,856.87x = 976,058,536.58
  5. Step 5: Solve for x
    x = 976,058,536.58/35,856.87
  6. Step 6: Final answer
    x = 27,220.96

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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.