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Finding the Fourth Proportional to 52,965.08, 79,373.81 and 39,802.08

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Solution

The fourth proportional to 52,965.08, 79,373.81 and 39,802.08 is: 59,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,965.08 : 79,373.81 = 39,802.08 : x
  2. Step 2: Convert to fraction form
    52,965.08/79,373.81 = 39,802.08/x
  3. Step 3: Cross multiply
    52,965.08x = 79,373.81 × 39,802.08
  4. Step 4: Simplify right side
    52,965.08x = 3,159,242,338.66
  5. Step 5: Solve for x
    x = 3,159,242,338.66/52,965.08
  6. Step 6: Final answer
    x = 59,647.65

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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.