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Finding the Fourth Proportional to 39,362.16, 59,065.72 and 14,398.80

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Solution

The fourth proportional to 39,362.16, 59,065.72 and 14,398.80 is: 21,606.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,362.16 : 59,065.72 = 14,398.80 : x
  2. Step 2: Convert to fraction form
    39,362.16/59,065.72 = 14,398.80/x
  3. Step 3: Cross multiply
    39,362.16x = 59,065.72 × 14,398.80
  4. Step 4: Simplify right side
    39,362.16x = 850,475,489.14
  5. Step 5: Solve for x
    x = 850,475,489.14/39,362.16
  6. Step 6: Final answer
    x = 21,606.42

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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.