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Finding the Fourth Proportional to 39,473.40, 59,208.73 and 9,891.49

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Solution

The fourth proportional to 39,473.40, 59,208.73 and 9,891.49 is: 14,836.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,473.40 : 59,208.73 = 9,891.49 : x
  2. Step 2: Convert to fraction form
    39,473.40/59,208.73 = 9,891.49/x
  3. Step 3: Cross multiply
    39,473.40x = 59,208.73 × 9,891.49
  4. Step 4: Simplify right side
    39,473.40x = 585,662,560.71
  5. Step 5: Solve for x
    x = 585,662,560.71/39,473.40
  6. Step 6: Final answer
    x = 14,836.89

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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.