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Finding the Fourth Proportional to 40,084.48, 55,310.40 and 23,089.48

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Solution

The fourth proportional to 40,084.48, 55,310.40 and 23,089.48 is: 31,859.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,084.48 : 55,310.40 = 23,089.48 : x
  2. Step 2: Convert to fraction form
    40,084.48/55,310.40 = 23,089.48/x
  3. Step 3: Cross multiply
    40,084.48x = 55,310.40 × 23,089.48
  4. Step 4: Simplify right side
    40,084.48x = 1,277,088,374.59
  5. Step 5: Solve for x
    x = 1,277,088,374.59/40,084.48
  6. Step 6: Final answer
    x = 31,859.92

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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.