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Finding the Fourth Proportional to 55,343.70, 83,004.48 and 15,891.57

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Solution

The fourth proportional to 55,343.70, 83,004.48 and 15,891.57 is: 23,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.70 : 83,004.48 = 15,891.57 : x
  2. Step 2: Convert to fraction form
    55,343.70/83,004.48 = 15,891.57/x
  3. Step 3: Cross multiply
    55,343.70x = 83,004.48 × 15,891.57
  4. Step 4: Simplify right side
    55,343.70x = 1,319,071,504.23
  5. Step 5: Solve for x
    x = 1,319,071,504.23/55,343.70
  6. Step 6: Final answer
    x = 23,834.18

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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.