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Finding the Fourth Proportional to 39,396.68, 59,098.68 and 15,698.51

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Solution

The fourth proportional to 39,396.68, 59,098.68 and 15,698.51 is: 23,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,396.68 : 59,098.68 = 15,698.51 : x
  2. Step 2: Convert to fraction form
    39,396.68/59,098.68 = 15,698.51/x
  3. Step 3: Cross multiply
    39,396.68x = 59,098.68 × 15,698.51
  4. Step 4: Simplify right side
    39,396.68x = 927,760,923.47
  5. Step 5: Solve for x
    x = 927,760,923.47/39,396.68
  6. Step 6: Final answer
    x = 23,549.22

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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.