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Finding the Fourth Proportional to 52,368.65, 72,268.40 and 28,495.41

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Solution

The fourth proportional to 52,368.65, 72,268.40 and 28,495.41 is: 39,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,368.65 : 72,268.40 = 28,495.41 : x
  2. Step 2: Convert to fraction form
    52,368.65/72,268.40 = 28,495.41/x
  3. Step 3: Cross multiply
    52,368.65x = 72,268.40 × 28,495.41
  4. Step 4: Simplify right side
    52,368.65x = 2,059,317,545.57
  5. Step 5: Solve for x
    x = 2,059,317,545.57/52,368.65
  6. Step 6: Final answer
    x = 39,323.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.