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Finding the Fourth Proportional to 40,270.76, 55,574 and 22,366.08

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Solution

The fourth proportional to 40,270.76, 55,574 and 22,366.08 is: 30,865.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,270.76 : 55,574 = 22,366.08 : x
  2. Step 2: Convert to fraction form
    40,270.76/55,574 = 22,366.08/x
  3. Step 3: Cross multiply
    40,270.76x = 55,574 × 22,366.08
  4. Step 4: Simplify right side
    40,270.76x = 1,242,972,529.92
  5. Step 5: Solve for x
    x = 1,242,972,529.92/40,270.76
  6. Step 6: Final answer
    x = 30,865.39

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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.