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Finding the Fourth Proportional to 55,792.16, 76,961.04 and 33,423.20

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Solution

The fourth proportional to 55,792.16, 76,961.04 and 33,423.20 is: 46,104.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,792.16 : 76,961.04 = 33,423.20 : x
  2. Step 2: Convert to fraction form
    55,792.16/76,961.04 = 33,423.20/x
  3. Step 3: Cross multiply
    55,792.16x = 76,961.04 × 33,423.20
  4. Step 4: Simplify right side
    55,792.16x = 2,572,284,232.13
  5. Step 5: Solve for x
    x = 2,572,284,232.13/55,792.16
  6. Step 6: Final answer
    x = 46,104.76

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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.