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Finding the Fourth Proportional to 52,804.65, 79,159.59 and 39,461.22

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Solution

The fourth proportional to 52,804.65, 79,159.59 and 39,461.22 is: 59,156.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,804.65 : 79,159.59 = 39,461.22 : x
  2. Step 2: Convert to fraction form
    52,804.65/79,159.59 = 39,461.22/x
  3. Step 3: Cross multiply
    52,804.65x = 79,159.59 × 39,461.22
  4. Step 4: Simplify right side
    52,804.65x = 3,123,733,996.10
  5. Step 5: Solve for x
    x = 3,123,733,996.10/52,804.65
  6. Step 6: Final answer
    x = 59,156.42

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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.