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Finding the Fourth Proportional to 39,712.32, 59,582.32 and 26,438.64

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Solution

The fourth proportional to 39,712.32, 59,582.32 and 26,438.64 is: 39,667.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.32 : 59,582.32 = 26,438.64 : x
  2. Step 2: Convert to fraction form
    39,712.32/59,582.32 = 26,438.64/x
  3. Step 3: Cross multiply
    39,712.32x = 59,582.32 × 26,438.64
  4. Step 4: Simplify right side
    39,712.32x = 1,575,275,508.84
  5. Step 5: Solve for x
    x = 1,575,275,508.84/39,712.32
  6. Step 6: Final answer
    x = 39,667.17

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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.