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Finding the Fourth Proportional to 47,389.74, 65,397.60 and 26,169

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Solution

The fourth proportional to 47,389.74, 65,397.60 and 26,169 is: 36,113.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,389.74 : 65,397.60 = 26,169 : x
  2. Step 2: Convert to fraction form
    47,389.74/65,397.60 = 26,169/x
  3. Step 3: Cross multiply
    47,389.74x = 65,397.60 × 26,169
  4. Step 4: Simplify right side
    47,389.74x = 1,711,389,794.40
  5. Step 5: Solve for x
    x = 1,711,389,794.40/47,389.74
  6. Step 6: Final answer
    x = 36,113.09

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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.