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Finding the Fourth Proportional to 1,041.07, 1,436.67 and 575.32

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Solution

The fourth proportional to 1,041.07, 1,436.67 and 575.32 is: 793.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041.07 : 1,436.67 = 575.32 : x
  2. Step 2: Convert to fraction form
    1,041.07/1,436.67 = 575.32/x
  3. Step 3: Cross multiply
    1,041.07x = 1,436.67 × 575.32
  4. Step 4: Simplify right side
    1,041.07x = 826,544.98
  5. Step 5: Solve for x
    x = 826,544.98/1,041.07
  6. Step 6: Final answer
    x = 793.94

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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.