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Finding the Fourth Proportional to 52,574.70, 72,552.07 and 28,701.54

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Solution

The fourth proportional to 52,574.70, 72,552.07 and 28,701.54 is: 39,607.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,574.70 : 72,552.07 = 28,701.54 : x
  2. Step 2: Convert to fraction form
    52,574.70/72,552.07 = 28,701.54/x
  3. Step 3: Cross multiply
    52,574.70x = 72,552.07 × 28,701.54
  4. Step 4: Simplify right side
    52,574.70x = 2,082,356,139.19
  5. Step 5: Solve for x
    x = 2,082,356,139.19/52,574.70
  6. Step 6: Final answer
    x = 39,607.57

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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.