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Finding the Fourth Proportional to 58,673.25, 87,919.29 and 39,623.23

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Solution

The fourth proportional to 58,673.25, 87,919.29 and 39,623.23 is: 59,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,673.25 : 87,919.29 = 39,623.23 : x
  2. Step 2: Convert to fraction form
    58,673.25/87,919.29 = 39,623.23/x
  3. Step 3: Cross multiply
    58,673.25x = 87,919.29 × 39,623.23
  4. Step 4: Simplify right side
    58,673.25x = 3,483,645,809.51
  5. Step 5: Solve for x
    x = 3,483,645,809.51/58,673.25
  6. Step 6: Final answer
    x = 59,373.66

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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.