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Finding the Fourth Proportional to 36,755.71, 55,127.93 and 11,792.32

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Solution

The fourth proportional to 36,755.71, 55,127.93 and 11,792.32 is: 17,686.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,755.71 : 55,127.93 = 11,792.32 : x
  2. Step 2: Convert to fraction form
    36,755.71/55,127.93 = 11,792.32/x
  3. Step 3: Cross multiply
    36,755.71x = 55,127.93 × 11,792.32
  4. Step 4: Simplify right side
    36,755.71x = 650,085,994.72
  5. Step 5: Solve for x
    x = 650,085,994.72/36,755.71
  6. Step 6: Final answer
    x = 17,686.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.