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Finding the Fourth Proportional to 59,294.40, 81,794.38 and 36,638.40

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Solution

The fourth proportional to 59,294.40, 81,794.38 and 36,638.40 is: 50,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,294.40 : 81,794.38 = 36,638.40 : x
  2. Step 2: Convert to fraction form
    59,294.40/81,794.38 = 36,638.40/x
  3. Step 3: Cross multiply
    59,294.40x = 81,794.38 × 36,638.40
  4. Step 4: Simplify right side
    59,294.40x = 2,996,815,212.19
  5. Step 5: Solve for x
    x = 2,996,815,212.19/59,294.40
  6. Step 6: Final answer
    x = 50,541.29

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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.